Deck 2: Presenting Data in Tables and Charts

Question 1

TABLE 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following table contains the result.
$$
$\begin{array}{lcc}&\text { Did Well in Midterm}&\text { Did Poorly in Midterm }\\\text {Studying for Exam } & 80 & 20 \\\text { Went Bar Hopping } & 30 & 70\\\hline \end{array}$

-Referring to Table 2-6,_____ percent of the students in the sample went bar hopping the weekend before the midterm and did well on the midterm.

A) 27.27
B) 15
C) 30
D) 50

Answer 1

15

Question 2

You have collected data on the annual average amount of cash rebate offered by 6 different brands of automobiles sold in the United States in 2006 and 2007. Which of the following is the best for presenting the data?

A) a side-by-side bar chart
B) a time-series plot
C) a contingency table
D) a stem-and-leaf display

Answer 2

A

Question 3

Data on the number of part-time hours students at a public university worked in a week were collected. Which of the following is the best chart for presenting the information?

A) a percentage polygon
B) a pie chart
C) a Pareto diagram
D) a percentage table

Answer 3

A

Question 4

You have collected data on the monthly seasonally adjusted civilian unemployment rate for the United States from 1998 to 2007. Which of the following is the best for presenting the data?

A) a stem-and-leaf display
B) a side-by-side bar chart
C) a contingency table
D) a time-series plot

Question 5

TABLE 2- 5
The following are the durations in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.
$$\begin{array}{l}\begin{array} { l l } \hline&\text { Relative}\\\text { Time (in Minutes) }&\text {Frequency }\\\hline0 \text { but lessthan } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\\text { 10 but lessthan } 15 & 0.15 \\\text { 15 but less than } 20 & 0.10 \\\text { 20 but lessthan } 25 & 0.07 \\\text { 25 but lessthan } 30 & 0.07 \\30 \text { or more } & 0.02 \\\hline\end{array}\end{array}$$

-Referring to Table 2-5, if 100 calls were randomly sampled, how many calls lasted 15 minutes or longer?

A) 14
B) 74
C) 26
D) 10

Question 6

TABLE 2- 5
The following are the durations in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.
$$\begin{array} { l l } \hline&\text { Relative}\\\text { Time (in Minutes)}& \text { Frequency } \\\hline\text { 0 but less than } 5 & 0.37 \\5 \text { but less than 10 } & 0.22 \\10 \text { but less than 15 } & 0.15 \\15 \text { but less than 20 } & 0.10 \\\text { 20 but less than 25 } & 0.07 \\25 \text { but less than } 30 & 0.07 \\\text { 30 or more } & 0.02 \\\hline\end{array}$$

-Referring to Table 2-5, if 100 calls were randomly sampled, _____of them would have lasted at least 15 minutes but less than 20 minutes.

A) 0.10
B) 0.16
C) 16
D) 10

Question 7

TABLE 2- 1
An insurance company evaluates many numerical variables about a person before deciding on an appropriate rate for automobile insurance. A representative from a local insurance agency selected a random sample of insured drivers and recorded, X, the number of claims each made in the last 3 years, with the following results.
$$\begin{array} { l l } \hline \mathrm { X } & \mathrm { f } \\\hline 1 & 14 \\2 & 18 \\3 & 12 \\4 & 5 \\5 & 1 \\\hline\end{array}$$

-Referring to Table 2-1, how many drivers are represented in the sample?

A) 15
B) 5
C) 18
D) 50

Question 8

TABLE 2-2
At a meeting of information systems officers for regional offices of a national company, a survey was taken to determine the number of employees the officers supervise in the operation of their departments, where X is the number of employees overseen by each information systems officer.
$$\begin{array} { c l } \hline X & \text { f } \\\hline 1 & 7 \\2 & 5 \\3 & 11 \\4 & 8 \\5 & 9 \\\hline\end{array}$$

-Referring to Table 2-2, how many regional offices are represented in the survey results?

A) 11
B) 5
C) 15
D) 40

Question 9

TABLE 2-16
The figure below is the percentage polygon for the amount of calories for a sample of 36 pizzas products where the upper limits of the intervals are: 310, 340, 370, 400 and 430.

Referring to Table 2-16, roughly what percentage of pizza products contains between 400 and 430 calories?

A) 89%
B) 100%
C) 0%
D) 11%

Question 10

TABLE 2- 5
The following are the durations in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.
$$\begin{array}{l}\begin{array} { l l } \hline&\text { Relative} \\\text {Time (in Minutes) }&\text {Frequency }\\\hline0 \text { but lessthan } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\\text { 10 but lessthan } 15 & 0.15 \\\text { 15 but less than } 20 & 0.10 \\\text { 20 but lessthan } 25 & 0.07 \\\text { 25 but lessthan } 30 & 0.07 \\30 \text { or more } & 0.02 \\\hline\end{array}\end{array}$$

-Referring to Table 2-5, what is the cumulative relative frequency for the percentage of calls that lasted 10 minutes or more?

A) 0.16
B) 0.90
C) 0.24
D) 0.41

Question 11

You have collected data on the number of U.S. households actively using online banking and/or online bill payment from 1995 to 2007. Which of the following is the best for presenting the data?

A) a stem-and-leaf display
B) a time-series plot
C) a side-by-side bar chart
D) a pie chart

Question 12

TABLE 2- 1
An insurance company evaluates many numerical variables about a person before deciding on an appropriate rate for automobile insurance. A representative from a local insurance agency selected a random sample of insured drivers and recorded, X, the number of claims each made in the last 3 years, with the following results.
$$\begin{array} { l l } \hline \mathrm { X } & \mathrm { f } \\\hline 1 & 14 \\2 & 18 \\3 & 12 \\4 & 5 \\5 & 1 \\\hline\end{array}$$

-Referring to Table 2-1, how many total claims are represented in the sample?

A) 50
B) 15
C) 111
D) 250

Question 13

TABLE 2- 5
The following are the durations in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.
$$\begin{array}{l}\begin{array} { l l } \hline&\text { Relative}\\\text { Time (in Minutes) }&\text {Frequency }\\\hline0 \text { but lessthan } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\\text { 10 but lessthan } 15 & 0.15 \\\text { 15 but less than } 20 & 0.10 \\\text { 20 but lessthan } 25 & 0.07 \\\text { 25 but lessthan } 30 & 0.07 \\30 \text { or more } & 0.02 \\\hline\end{array}\end{array}$$

-Referring to Table 2-5, what is the width of each class?

A) 2%
B) 100%
C) 5 minutes
D) 1 minute

Question 14

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. TABLE 2- 5
The following are the durations in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.
$$\begin{array}{l}\begin{array} { l l }\hline&\text { Relative }\\\text {Time (in Minutes) }&\text {Frequency }\\ \hline0 \text { but lessthan } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\\text { 10 but lessthan } 15 & 0.15 \\\text { 15 but less than } 20 & 0.10 \\\text { 20 but lessthan } 25 & 0.07 \\\text { 25 but lessthan } 30 & 0.07 \\30 \text { or more } & 0.02 \\\hline\end{array}\end{array}$$

-Referring to Table 2-5, what is the cumulative relative frequency for the percentage of calls that lasted under 20 minutes?

A) 0.59
B) 0.84
C) 0.76
D) 0.10

Question 15

A professor of economics at a small Texas university wanted to determine what year in school students were taking his tough economics course. Shown below is a pie chart of the results. What percentage of the class took the course prior to reaching their senior year?

A) 86%
B) 14%
C) 54%
D) 44%

Question 16

TABLE 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following table contains the result.

$\begin{array}{lcc}\hline &\text { Did Well in Midterm}&\text { Did Poorly in Midterm }\\\hline \text {Studying for Exam } & 80 & 20 \\\text { Went Bar Hopping } & 30 & 70\\\hline \end{array}$

-Referring to Table 2-6, if the sample is a good representation of the population, we can expect _____percent of the students in the population to spend the weekend studying and do poorly on the midterm.

A) 45
B) 10
C) 20
D) 50

Question 17

TABLE 2- 5
The following are the durations in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.
$$\begin{array}{l}\begin{array} { l l } \hline&\text { Relative }\\\text { Time (inMinutes)}& \text { Frequency }\\\hline0 \text { but lessthan } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\\text { 10 but less than } 15 & 0.15 \\15 \text { but lessthan } 20 & 0.10 \\\text { 20 but less than } 25 & 0.07 \\25 \text { but lessthan } 30 & 0.07 \\30 \text { or more } & 0.02\\\hline \end{array}\end{array}$$

-Referring to Table 2-5, if 100 calls were sampled, ______of them would have lasted less than 5 minutes or at least 30 minutes or more.

A) 39
B) 35
C) 37
D) none of the above

Question 18

When constructing charts, the following is plotted at the class midpoints:

A) percentage polygons.
B) cumulative relative frequency ogives.
C) frequency histograms.
D) all of the above

Question 19

TABLE 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following table contains the result.

$\begin{array}{lcc}\hline &\text { Did Well in Midterm}&\text { Did Poorly in Midterm }\\\hline \text {Studying for Exam } & 80 & 20 \\\text { Went Bar Hopping } & 30 & 70\\\hline \end{array}$

-Referring to Table 2-6, of those who did well on the midterm in the sample,____ percent of them went bar hopping the weekend before the midterm.

A) 27.27
B) 50
C) 15
D) 30

Question 20

TABLE 2-15
The figure below is the ogive for the amount of fat (in grams) for a sample of 36 pizzas products where the upper boundaries of the intervals are: 5, 10, 15, 20, 25, and 30.

Referring to Table 2-15, what percentage of pizza products contains between 10 and 25 grams of fat?

A) 62%
B) 81%
C) 44%
D) 14%

Question 21

A type of vertical bar chart in which the categories are plotted in the descending rank order of the magnitude of their frequencies is called a

A) dot plot.
B) pie chart.
C) Pareto diagram.
D) contingency table.

Question 22

You have collected data on the approximate retail price (in $) and the energy cost per year (in $) of 15 refrigerators. Which of the following is the best for presenting the data?

A) a side-by-side bar chart
B) a pie chart
C) a scatter diagram
D) a contingency table

Question 23

TABLE 2- 3
Every spring semester, the School of Business coordinates a luncheon with local business leaders for graduating seniors, their families, and their friends. Corporate sponsorship pays for the lunches of each of the seniors, but students have to purchase tickets to cover the cost of lunches served to guests they bring with them. The following histogram represents the attendance at the senior luncheon, where X is the number of guests each student invited to the luncheon and f is the number of students in each category.

Referring to the histogram from Table 2-3, if all the tickets purchased were used, how many guests attended the luncheon?

A) 275
B) 388
C) 4
D) 152

Question 24

When studying the simultaneous responses to two categorical questions, we should set up a

A) frequency distribution table.
B) histogram.
C) contingency table.
D) cumulative percentage distribution table.

Question 25

TABLE 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following table contains the result.

$\begin{array}{lcc}\hline &\text { Did Well in Midterm}&\text {Did Poorly in Midterm }\\\hline \text {Studying for Exam } & 80 & 20 \\\text { Went Bar Hopping } & 30 & 70\\\hline \end{array}$


-Referring to Table 2-6, percent of the students in the sample spent the weekend studying and did well on the midterm.

A) 40
B) 80
C) 72.72
D) 50

Question 26

TABLE 2-4
A survey was conducted to determine how people rated the quality of programming available on television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100 (extremely good quality). The stem-and-leaf display of the data is shown below.
$$\begin{array} { l l } \hline \text { Stem } & \text { Leaves } \\\hline 3 & 24 \\4 & 03478999 \\5 & 0112345 \\6 & 12566 \\7 & 01 \\8 & \\9 & 2\end{array}$$

-Referring to Table 2-4, what percentage of the respondents rated overall television quality with a rating between 50 and 75?

A) 40
B) 11
C) 56
D) 44

Question 27

TABLE 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following table contains the result.

$\begin{array}{lcc} &\text { Did Well in Midterm}&\text {Did Poorly in Midterm }\\\text {Studying for Exam } & 80 & 20 \\\text { Went Bar Hopping } & 30 & 70\\\hline \end{array}$


-Referring to Table 2-6, of those who went bar hopping the weekend before the midterm in the sample, ____percent of them did well on the midterm.

A) 27.27
B) 55
C) 15
D) 30

Question 28

Data on 1,500 students' height were collected at a larger university in the East Coast. Which of the following is the best chart for presenting the information?

A) a pie chart
B) a side-by-side bar chart
C) a histogram
D) a Pareto diagram

Question 29

A survey of 150 executives were asked what they think is the most common mistake candidates make during job interviews. Six different mistakes were given. Which of the following is the best for presenting the information?

A) a bar chart
B) a stem-and-leaf display
C) a contingency table
D) a histogram

Question 30

The width of each bar in a histogram corresponds to the

A) percentage of observations in each class.
B) midpoint of each class.
C) number of observations in each class.
D) differences between the boundaries of the class.

Question 31

TABLE 2- 5
The following are the durations in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.
$$\begin{array}{l}\begin{array} { l l } \hline&\text { Relative }\\\text {Time (in Minutes) }&\text {Frequency }\\\hline0 \text { but lessthan } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\\text { 10 but lessthan } 15 & 0.15 \\\text { 15 but less than } 20 & 0.10 \\\text { 20 but lessthan } 25 & 0.07 \\\text { 25 but lessthan } 30 & 0.07 \\30 \text { or more } & 0.02 \\\hline\end{array}\end{array}$$

-Referring to Table 2-5, if 10 calls lasted 30 minutes or more, how many calls lasted less than 5 minutes?

A) 185
B) 500
C) 295
D) 10

Question 32

$$\text { TABLE 2-15 }$$ The figure below is the ogive for the amount of fat (in grams) for a sample of 36 pizzas products where the upper boundaries of the intervals are: 5, 10, 15, 20, 25, and 30.


-Referring to Table 2-15, roughly what percentage of pizza products contains less than 10 grams of fat?

A) 75%
B) 50%
C) 14%
D) 3%

Question 33

TABLE 2- 5
The following are the durations in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.
$$\begin{array}{l}\begin{array} { l l } \hline&\text { Relative}\\\text {Time (in Minutes) }&\text {Frequency }\\\hline0 \text { but lessthan } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\\text { 10 but lessthan } 15 & 0.15 \\\text { 15 but less than } 20 & 0.10 \\\text { 20 but lessthan } 25 & 0.07 \\\text { 25 but lessthan } 30 & 0.07 \\30 \text { or more } & 0.02 \\\hline\end{array}\end{array}$$

-Referring to Table 2-5, if 1,000 calls were randomly sampled, how many calls lasted under 10 minutes?

A) 220
B) 410
C) 370
D) 590

Question 34

TABLE 2- 5
The following are the durations in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.
$$\begin{array}{l}\begin{array} { l l } \hline&\text { Relative }\\\text {Time (in Minutes) }&\text {Frequency }\\\hline0 \text { but lessthan } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\\text { 10 but lessthan } 15 & 0.15 \\\text { 15 but less than } 20 & 0.10 \\\text { 20 but lessthan } 25 & 0.07 \\\text { 25 but lessthan } 30 & 0.07 \\30 \text { or more } & 0.02 \\\hline\end{array}\end{array}$$

-Referring to Table 2-5, if 100 calls were sampled, ____of them would have lasted 20 minutes or more.

A) 26
B) 74
C) 16
D) none of the above

Question 35

TABLE 2- 3
Every spring semester, the School of Business coordinates a luncheon with local business leaders for graduating seniors, their families, and their friends. Corporate sponsorship pays for the lunches of each of the seniors, but students have to purchase tickets to cover the cost of lunches served to guests they bring with them. The following histogram represents the attendance at the senior luncheon, where X is the number of guests each student invited to the luncheon and f is the number of students in each category.

Referring to the histogram from Table 2- 3, how many graduating seniors attended the luncheon?

A) 388
B) 4
C) 275
D) 152

Question 36

When polygons or histograms are constructed, which axis must show the true zero or "origin"?

A) the vertical axis
B) the horizontal axis
C) both the horizontal and vertical axes
D) neither the horizontal nor the vertical axis

Question 37

You have collected data on the responses to two questions asked in a survey of 40 college students majoring in business - What is your gender (Male = M; Female =

A) a time-series plot
B) a Pareto diagram
C) a contingency table
D) a stem-and-leaf display
F) and What is your major (Accountancy = A; Computer Information Systems = C; Marketing = M). Which of the following is the best for presenting the data?

Question 38

You have collected information on the market share of 5 different search engines used by U.S. Internet users in May 2007. Which of the following is the best for presenting the information?

A) a contingency table
B) a histogram
C) a stem-and-leaf display
D) a pie chart

Question 39

TABLE 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following table contains the result.

$\begin{array}{lcc} \hline &\text { Did Well in Midterm}&\text { Did Poorly in Midterm }\\\hline \text {Studying for Exam } & 80 & 20 \\\text { Went Bar Hopping } & 30 & 70\\\hline \end{array}$


-Referring to Table 2-6, if the sample is a good representation of the population, we can expect _____percent of those who spent the weekend studying to do poorly on the midterm.

A) 20
B) 45
C) 10
D) 50

Question 40

$$\text { TABLE 2-4 }$$
A survey was conducted to determine how people rated the quality of programming available on television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100 (extremely good quality). The stem-and-leaf display of the data is shown below.
$$\begin{array} { l l } \hline \text { Stem } & \text { Leaves } \\\hline 3 & 24 \\4 & 03478999 \\5 & 0112345 \\6 & 12566 \\7 & 01 \\8 & \\9 & 2\end{array}$$

-Referring to Table 2-4, what percentage of the respondents rated overall television quality with a rating of 50 or below?

A) 44
B) 40
C) 56
D) 11

Question 41

It is essential that each class grouping or interval in a frequency distribution be___________ .

Question 42

TABLE 2- 5
The following are the durations in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier.
$$\begin{array}{l}\begin{array} { l l } \hline&\text { Relative}\\\text { Time (in Minutes) }&\text { Frequency }\\\hline0 \text { but lessthan } 5 & 0.37 \\5 \text { but less than } 10 & 0.22 \\\text { 10 but lessthan } 15 & 0.15 \\\text { 15 but less than } 20 & 0.10 \\\text { 20 but lessthan } 25 & 0.07 \\\text { 25 but lessthan } 30 & 0.07 \\30 \text { or more } & 0.02 \\\hline\end{array}\end{array}$$

-Referring to Table 2-5, if 100 calls were sampled,______of them would have lasted less than 15 minutes.

A) 10
B) 26
C) 74
D) none of the above

Question 43

Retailers are always interested in determining why a customer selected their store to make a purchase. A sporting goods retailer conducted a customer survey to determine why its customers shopped at the store. The results are shown in the bar chart below. What proportion of the customers responded that they shopped at the store because of the merchandise or the convenience?

A) 65%
B) 85%
C) 35%
D) 50%

Question 44

You have collected information on the market share of 5 different search engines used by U.S. Internet users in May 2007. Which of the following is the best for presenting the information?

A) a stem-and-leaf display
B) a pie chart
C) a histogram
D) a contingency table

Question 45

In a contingency table, the number of rows and columns

A) must add to 100%.
B) must always be 2.
C) must always be the same.
D) none of the above

Question 46

You have collected information on the consumption by the 15 largest coffee-consuming nations. Which of the following is the best for presenting the share of the consumption?
A) a pie chart

A) a side-by-side bar chart
B) a contingency table
D) a Pareto diagram

Question 47

$$\text { TABLE 2-4 }$$ A survey was conducted to determine how people rated the quality of programming available on television. Respondents were asked to rate the overall quality from 0 (no quality at all) to 100 (extremely good quality). The stem-and-leaf display of the data is shown below.
$$\begin{array} { l l } \hline \text { Stem } & \text { Leaves } \\\hline 3 & 24 \\4 & 03478999 \\5 & 0112345 \\6 & 12566 \\7 & 01 \\8 & \\9 & 2\end{array}$$

-Referring to Table 2-4, what percentage of the respondents rated overall television quality with a rating of 80 or above?

A) 0
B) 96
C) 100
D) 4

Question 48

TABLE 2-15
The figure below is the ogive for the amount of fat (in grams) for a sample of 36 pizzas products where the upper boundaries of the intervals are: 5, 10, 15, 20, 25, and 30.

Referring to Table 2-15, what percentage of pizza products contains at least 20 grams of fat?

A) 96%
B) 75%
C) 5%
D) 25%

Question 49

TABLE 2-14
The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender.

$\begin{array}{ccc}\hline\text { Own a Portable }\\\text { DVD Player } & \text { Male } & \text { Female } \\\hline \text { Yes } & 96 & 40 \\\text { No } & 224 & 240\\\hline \end{array}$

-Referring to Table 2-14,______ percent of the 600 were females who owned a portable DVD.

Question 50

$$\text { TABLE 2-16 }$$ The figure below is the percentage polygon for the amount of calories for a sample of 36 pizzas products where the upper limits of the intervals are: 310, 340, 370, 400 and 430.


-Referring to Table 2-16, roughly what percentage of pizza products contains at least 340 calories?

A) 61%
B) 25%
C) 39%
D) 28%

Question 51

TABLE 2-6
A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following table contains the result.

$\begin{array}{lcc} \hline &\text { Did Well in Midterm}&\text {Did Poorly in Midterm }\\\hline \text {Studying for Exam } & 80 & 20 \\\text { Went Bar Hopping } & 30 & 70\\\hline \end{array}$


-Referring to Table 2-6, if the sample is a good representation of the population, we can expect _____percent of those who did poorly on the midterm to have spent the weekend studying.

A) 22.22
B) 45
C) 50
D) 10

Question 52

$$\text { TABLE 2-2 }$$ At a meeting of information systems officers for regional offices of a national company, a survey was taken to determine the number of employees the officers supervise in the operation of their departments, where X is the number of employees overseen by each information systems officer.
$$\begin{array} { l l } \hline \text {x}& \text { f } \\\hline 1 & 7 \\2 & 5 \\3 & 11 \\4 & 8 \\5 & 9 \\\hline\end{array}$$

-Referring to Table 2-2, across all of the regional offices, how many total employees were supervised by those surveyed?

A) 200
B) 40
C) 15
D) 127

Question 53

Data on the number of credit hours of 20,000 students at a public university enrolled in a Spring semester were collected. Which of the following is the best for presenting the information?

A) a pie chart
B) a contingency table
C) a Pareto diagram
D) a stem-and-leaf display

Question 54

TABLE 2-9
The frequency distribution below represents the rents of 250 randomly selected federally subsidized apartments in Minneapolis.
$\begin{array}{cl}\hline\text { Rent in } \$ &\text { Frequency }\\ \hline 00 \text { but lessthan } 400 & 113 \\400 \text { but lessthan } 500 & 85 \\500 \text { but lessthan } 600 & 32 \\600 \text { but lessthan } 700 & 16 \\700 \text { but lessthan } 800 & 4 \\\hline\end{array}$


-Referring to Table 2-9, ______percent of the apartments rented for at least $500.

Question 55

Write the word or phrase that best completes each statement or answers the question. TABLE 2-17
The following table presents total retail sales in millions of dollars for the leading apparel companies during April 2001 and April 2002.

Referring to Table 2-17, construct a table of column percentages.

Question 56

$$\text { TABLE 2-12 }$$ The table below contains the opinions of a sample of 200 people broken down by gender about the latest congressional plan to eliminate anti-trust exemptions for professional baseball.

$\begin{array}{lcccl} \hline &\text { For}&\text { Neutral}& \text {Against }&\text {Totals }\\\hline \text { Female } & 38 & 54 & 12 & 104 \\\hline \text { Male } & 12 & 36 & 48 & 96 \\\text { Totals } & 50 & 90 & 60 & 200\\\hline \end{array}$



-Referring to Table 2-12,____ percent of the 200 were males who were not against the plan.

Question 57

When comparing two or more large batches of numerical data, the distributions being developed should use the same________ .

Question 58

TABLE 2-16
The figure below is the percentage polygon for the amount of calories for a sample of 36 pizzas products where the upper limits of the intervals are: 310, 340, 370, 400 and 430.

Referring to Table 2-16, roughly what percentage of pizza products contains between 340 and 400 calories?

A) 50%
B) 28%
C) 25%
D) 22%

Question 59

$$\text { TABLE 2-11 }$$ The ordered array below resulted from taking a sample of 25 batches of 500 computer chips and determining how many in each batch were defective.

$\text {Defects}$
$\begin{array}{rrrrrrrrrrrrr}1 & 2 & 4 & 4 & 5 & 5 & 6 & 7 & 9 & 9 & 12 & 12 & 15 \\17 & 20 & 21 & 23 & 23 & 25 & 26 & 27 & 27 & 28 & 29 & 29 &\end{array}$


-Referring to Table 2-11, if a frequency distribution for the defects data is constructed, using "0 but less than 5" as the first class, the relative frequency of the "15 but less than 20" class would be .

Question 60

TABLE 2-12
The table below contains the opinions of a sample of 200 people broken down by gender about the latest congressional plan to eliminate anti-trust exemptions for professional baseball.

$\begin{array}{lcccl}\hline &\text { For}&\text { Neutral}&\text { Against}& \text {Totals }\\\hline \text { Female } & 38 & 54 & 12 & 104 \\\hline \text { Male } & 12 & 36 & 48 & 96 \\\text { Totals } & 50 & 90 & 60 & 200\\\hline \end{array}$


-Referring to Table 2-12, of the females in the sample, _________percent were either neutralor against the plan.

Question 61

TABLE 2-14
The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender.

$\begin{array}{ccc} \hline \text { Own a Portable }\\\text { DVD Player } & \text { Male } & \text { Female } \\\hline \text { Yes } & 96 & 40 \\\text { No } & 224 & 240\\\hline \end{array}$


-Referring to Table 2-14, _______percent of the 600 owned a portable DVD.

Question 62

$$\text { TABLE 2-14 }$$
The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender.
$$\begin{array}{l}\begin{array} { l l l l } \hline\text { Own a Portable }\\\text { DVD Player } & \text { Male } & \text { Female } \\\hline\text { Yes } & 96 & 40 \\\text { No } & 224 & 240 \\\hline\end{array}\end{array}$$


-Referring to Table 2-14,________ percent of the 600 did not owned a portable DVD.

Question 63

TABLE 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 "lifetime" members of a health club actually visited the facility.
$$\begin{array} { l l } \text { Stem } & \text { Leaves } \\0 & 012222233333344566666667789999 \\1 & 1111222234444455669999 \\2 & 00011223455556889 \\3 & 0000446799 \\4 & 011345567 \\5 & 0077 \\6 & 8 \\7 & 67 \\8 & 3 \\9 & 0247\end{array}$$

-Referring to Table 2-8, if a frequency distribution with equal sized classes was made from this data, and the first class was "0 but less than 10," the frequency of the fifth class would be_______ .

Question 64

TABLE 2-14
The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender.
$$\begin{array}{l}\begin{array} { l l l l } \hline\text { Own a Portable }\\\text { DVD Player } & \text { Male } & \text { Female } \\\hline\text { Yes } & 96 & 40 \\\text { No } & 224 & 240 \\\hline\end{array}\end{array}$$


-Referring to Table 2-14, if the sample is a good representation of the population, we can expect ______percent of the females in the population will not own a portable DVD.

Question 65

$$\text { TABLE 2-13 }$$
Given below is the stem-and-leaf display representing the amount of detergent used in gallons (with leaves in 10ths of gallons) in a month by 25 drive-through car wash operations in Phoenix.
$\begin{array}{l}\begin{array} { l l } \hline\text { Stem}&\text { Leaves }\\\hline9 & 147 \\10 & 02238 \\11 & 135566777 \\12 & 223489 \\13 & 02 \\\hline\end{array}\end{array}$

-Referring to Table 2-13, if a relative frequency or percentage distribution for the detergent data is constructed, using "9.0 but less than 10.0 gallons" as the first class, what percentage of drive-through car wash operations use at least 10 gallons of detergent in a month?

Question 66

TABLE 2- 10
The histogram below represents scores achieved by 200 job applicants on a personality profile.


-Referring to the histogram from Table 2-10, ___________percent of the applicants scored below 20 or at least 50.

Question 67

In order to compare one large batch of numerical data to another, a(n) _______distribution must be developed from the frequency distribution.

Question 68

TABLE 2-14
The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender.

$\begin{array}{ccc}\hline \text { Own a Portable }\\\text { DVD Player } & \text { Male } & \text { Female } \\\hline \text { Yes } & 96 & 40 \\\text { No } & 224 & 240\\\hline \end{array}$



-Referring to Table 2-14, of those who did not own a portable DVD in the sample,__________ percent were males.

Question 69

TABLE 2-17
The following table presents total retail sales in millions of dollars for the leading apparel companies during April 2001 and April 2002.
$$\begin{array} { l c c } \hline \text { Apparel Company } & \text { April } 01 & \text { April } 02 \\\hline \text { Gap } & 1,159.00 & 962 \\\text { TJX } & 781.7 & 899 \\\text { Limited } & 596.5 & 620.4 \\\text { Kohl's } & 544.9 & 678.9 \\\text { Nordstrom } & 402.6 & 418.3 \\\text { Talbots } & 139.9 & 130.1 \\\text { AnnTaylor } & 114.2 & 124.8 \\\hline\end{array}$$

-Referring to Table 2-17, among the 8 stores, ______ saw a sales decline.

Question 70

TABLE 2-12
The table below contains the opinions of a sample of 200 people broken down by gender about the latest congressional plan to eliminate anti-trust exemptions for professional baseball.
$$\begin{array}{l}\begin{array} { c c c l l } \hline&\text { For}&\text { Neutral}&\text { Against }&\text { Totals }\\ \hline\text { Female } & 38 & 54 & 12 & 104 \\ \text { Male } & 12 & 36 & 48 & 96 \\\text { Totals } & 50 & 90 & 60 & 200 \\\hline\end{array}\end{array}$$

-Referring to Table 2-12, of those for the plan in the sample,_______ percent were females.

Question 71

TABLE 2-12
The table below contains the opinions of a sample of 200 people broken down by gender about the latest congressional plan to eliminate anti-trust exemptions for professional baseball.

$\begin{array}{lcccl}\hline&\text { For }&\text { Neutral}&\text { Against }&\text { Totals }\\\hline\text { Female } & 38 & 54 & 12 & 104 \\ \text { Male } & 12 & 36 & 48 & 96 \\\text { Totals } & 50 & 90 & 60 & 200 \\\hline\end{array}$

-Referring to Table 2-12, construct a table of total percentages.

Question 72

The width of each class grouping or interval in a frequency distribution should be_________

Question 73

TABLE 2-13
Given below is the stem-and-leaf display representing the amount of detergent used in gallons (with leaves in 10ths of gallons) in a month by 25 drive-through car wash operations in Phoenix.
$$\begin{array}{l}\begin{array} { l l } \hline\text { Stem}&\text { Leaves }\\\hline9 & 147 \\10 & 02238 \\11 & 135566777 \\12 & 223489 \\13 & 02 \\\hline\end{array}\end{array}$$

-Referring to Table 2-13, if a relative frequency or percentage distribution for the detergent data is constructed, using "9.0 but less than 10.0 gallons" as the first class, what percentage of drive-through car wash operations use at least 10 gallons but less than 13 gallons of detergent in a month?

Question 74

$$\text { TABLE 2-12 }$$
The table below contains the opinions of a sample of 200 people broken down by gender about the latest congressional plan to eliminate anti-trust exemptions for professional baseball.
$$\begin{array}{l}\begin{array} { c c c l l } \hline&\text { For}&\text { Neutral}&\text { Against}&\text { Totals }\\\hline\text { Female } & 38 & 54 & 12 & 104 \\ \text { Male } & 12 & 36 & 48 & 96 \\\text { Totals } & 50 & 90 & 60 & 200 \\\hline\end{array}\end{array}$$

-Referring to Table 2-12,_____ percent of the 200 were males.

Question 75

$$\text { TABLE 2-7 }$$
The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in superior court.
$\begin{array} { l l } \text { Stem } & \text { Leaves } \\1 \mathrm {~L} & 23444 \\1 \mathrm { H } & 7899 \\2 \mathrm {~L} & 222234 \\2 \mathrm { H } & 55678889 \\3 \mathrm {~L} & 001113 \\3 \mathrm { H } & 5778 \\4 \mathrm {~L} & 0234 \\4 \mathrm { H } & 5579 \\5 \mathrm {~L} & 1124 \\5 \mathrm { H } & 66 \\6 \mathrm {~L} & 15 \\6 \mathrm { H } & 8\end{array}$
Note: 1L means the "low teens" - 10, 11, 12, 13, or 14; 1H means the "high teens" - 15, 16, 17, 18, or 19; 2L means the "low
twenties" - 20, 21, 22, 23, or 24, etc.

-Referring to Table 2-7, if a frequency distribution with equal sized classes was made from this data, and the first class was "10 but less than 20," the frequency of that class would be___________

Question 76

TABLE 2-14
The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender.
$$\begin{array}{l}\begin{array} { l l l l } \hline\text { Own a Portable }\\\text { DVD Player } & \text { Male } & \text { Female } \\\hline\text { Yes } & 96 & 40 \\\text { No } & 224 & 240 \\\hline\end{array}\end{array}$$


-Referring to Table 2-14, if the sample is a good representation of the population, we can expect _____percent of the males in the population will own a portable DVD.

Question 77

$$\text { TABLE 2-8 }$$
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 "lifetime" members of a health club actually visited the facility.
$$\begin{array} { l l } \text { Stem } & \text { Leaves } \\0 & 012222233333344566666667789999 \\1 & 1111222234444455669999 \\2 & 00011223455556889 \\3 & 0000446799 \\4 & 011345567 \\5 & 0077 \\6 & 8 \\7 & 67 \\8 & 3 \\9 & 0247\end{array}$$

-Referring to Table 2-8, the person who visited the health club more than anyone else in the sample visited the facility ____________ times.

Question 78

TABLE 2-14
The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender.
$$\begin{array}{l}\hline\text { Own a Portable }\\\begin{array} { l l l l } \text { DVD Player } & \text { Male } & \text { Female } \\\hline\text { Yes } & 96 & 40 \\\text { No } & 224 & 240 \\\hline\end{array}\end{array}$$

-Referring to Table 2-14, if the sample is a good representation of the population, we can expect __________percent of the population will own a portable DVD.

Question 79

TABLE 2-14
The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender.

$\begin{array}{ccc} \hline \text { Own a Portable }\\\text { DVD Player } & \text { Male } & \text { Female } \\\hline \text { Yes } & 96 & 40 \\\text { No } & 224 & 240\\\hline \end{array}$


-Referring to Table 2-14, of the males in the sample, ____percent owned a portableDVD.

Question 80

TABLE 2-8
The Stem-and-Leaf display represents the number of times in a year that a random sample of 100 "lifetime" members of a health club actually visited the facility.
$$\begin{array} { l l } \text { Stem } & \text { Leaves } \\0 & 012222233333344566666667789999 \\1 & 1111222234444455669999 \\2 & 00011223455556889 \\3 & 0000446799 \\4 & 011345567 \\5 & 0077 \\6 & 8 \\7 & 67 \\8 & 3 \\9 & 0247\end{array}$$

-Referring to Table 2-8, if a frequency distribution with equal sized classes was made from this data, and the first class was "0 but less than 10," the relative frequency of the last class would be ____________.