Question 1

The following stem-and-leaf diagram shows the last 20 dividend payments (in cents) paid by Procter and Gamble.   The most common dividend payment is ________.

Accepted Answer

A)  0.35 
B)  0.40 
C)  0.44 
D)  0.48 
A)  0.35 
B)  0.40 
C)  0.44 
D)  0.48

Question 2

A bar chart may be displayed horizontally.

Accepted Answer

A) True 
 B)False

Question 3

A stem-and-leaf diagram is constructed by separating each value of a data set into two parts. What are these parts?

Accepted Answer

A)  Stem consisting of the last digit and leaf consisting of the leftmost digits 
B)  Stem consisting of the leftmost digits and leaf consisting of the second digit 
C)  Stem consisting of the second digit and leaf consisting of the last digit 
D)  Stem consisting of the leftmost digits and the leaf consists of the remaining digits. 
A)  Stem consisting of the last digit and leaf consisting of the leftmost digits 
B)  Stem consisting of the leftmost digits and leaf consisting of the second digit 
C)  Stem consisting of the second digit and leaf consisting of the last digit 
D)  Stem consisting of the leftmost digits and the leaf consists of the remaining digits.

Question 4

The following frequency distribution shows the frequency of the asking price, in thousands of dollars, for current homes on the market in a particular city.   What percentage of houses has an asking price between $350,000 and under $400,000?

Accepted Answer

A)  16.4% 
B)  21.8% 
C)  30.9% 
D)  33.3% 
A)  16.4% 
B)  21.8% 
C)  30.9% 
D)  33.3%

Question 5

Consider the following frequency distribution.   How many observations are at least 15 but less than 18?

Accepted Answer

A)  3 
B)  4 
C)  5 
D)  6 
A)  3 
B)  4 
C)  5 
D)  6

Question 6

An analyst constructed the following frequency distribution on the monthly returns for 50 selected stocks:   The proportion of stocks with returns of 0% up to 10% is ________.

Accepted Answer

A)  0.30 
B)  0.50 
C)  0.66 
D)  0.80 
A)  0.30 
B)  0.50 
C)  0.66 
D)  0.80

Question 7

Consider the following frequency distribution.   What proportion of the observations are less than 21?

Accepted Answer

A)  0.30 
B)  0.60 
C)  0.90 
D)  1.00 
A)  0.30 
B)  0.60 
C)  0.90 
D)  1.00

Question 8

The manager at a water park constructed the following frequency distribution to summarize attendance in July and August.   What of the following is the most likely attendance range?

Accepted Answer

A)  2,000 up to 2,500 
B)  1,000 up to 1,750 
C)  1,250 up to 1,750 
A)  2,000 up to 2,500 
B)  1,000 up to 1,750 
C)  1,250 up to 1,750

Question 9

The following histogram represents the number of pages in each book within a collection. What is the frequency of books containing at least 200 but fewer than 250 pages?

Accepted Answer

A)  4 
B)  5 
C)  6 
D)  7 
A)  4 
B)  5 
C)  6 
D)  7

Question 10

Graphically, we can show a(n) ________ ________ for qualitative data by constructing a pie chart or a bar chart.

Accepted Answer

frequency

Question 11

The accompanying relative frequency distribution represents the last year car sales for the sales force at Kelly's Mega Used Car Center.   If Kelly's employs 100 salespeople, how many of these salespeople have sold at least 35 but fewer than 45 cars in the last year?

Accepted Answer

A)  5 
B)  7 
C)  10 
D)  15 
A)  5 
B)  7 
C)  10 
D)  15

Question 12

Recent home sales in a suburb of Washington, D.C., are shown in the accompanying ogive.   Approximate the percentage of houses that sold for more than $500,000.

Accepted Answer

A)  40% 
B)  50% 
C)  60% 
D)  70% 
A)  40% 
B)  50% 
C)  60% 
D)  70%

Question 13

The following table displays the top 40 American League batting averages of the last season.   (See the Excel Data File.)
A) Construct frequency, relative frequency, and cumulative relative frequency distributions that group the data in classes of 0.265 up to 0.280, 0.280 up to 0.295, 0.295 up to 0.310, and so on.
B) How many of these players have a batting average above 0.340? What proportion of these players has a batting average of at least 0.280 but below 0.295? What percentage of these players has a batting average below 0.325?
C) Construct a relative frequency histogram. Is the distribution symmetric? If not, is it positively or negatively skewed?
D) Construct an ogive.
E) Using the ogive, approximately what proportion of the players in this group has a batting average above 0.290?

Accepted Answer

a. @#IMG-DLM& b. One player has a batting average

Question 14

The following table lists some of the busiest ports in the world based on the number of containers in Year 1.   Construct a pie chart to summarize the data. Approximately what percent of the total number of containers go through Hong Kong?

Accepted Answer

Twenty-three percent

Question 15

The following is a list of five of the world's busiest airports by passenger traffic for Year 1.   The percentage of passenger traffic in the five busiest airports that occurred in Asia is the closest to ________.

Accepted Answer

A)  18% 
B)  21% 
C)  25% 
D)  38% 
A)  18% 
B)  21% 
C)  25% 
D)  38%

Question 16

A city in California spent $6 million repairing damage to its public buildings in Year 1. The following table shows the categories where the money was directed.   How much did the city spend to fix damage caused by mold?

Accepted Answer

A)  $360,000 
B)  $720,000 
C)  $1,440,000 
D)  $1,800,000 
A)  $360,000 
B)  $720,000 
C)  $1,440,000 
D)  $1,800,000

Question 17

The accompanying table shows students' scores from the final exam in a history course.   How many of the students scored at least 70 but less than 90?

Accepted Answer

A)  24 
B)  31 
C)  55 
D)  88 
A)  24 
B)  31 
C)  55 
D)  88

Question 18

What type of relationship is indicated in the scatterplot?

Accepted Answer

A)  No relationship 
B)  A negative linear relationship 
C)  A negative curvilinear relationship 
D)  A positive linear or curvilinear relationship 
A)  No relationship 
B)  A negative linear relationship 
C)  A negative curvilinear relationship 
D)  A positive linear or curvilinear relationship

Question 19

What may be revealed from a scatterplot?

Accepted Answer

A)  No relationship between two variables 
B)  A linear relationship between two variables 
C)  A curvilinear relationship between two variables 
D)  All of the above 
A)  No relationship between two variables 
B)  A linear relationship between two variables 
C)  A curvilinear relationship between two variables 
D)  All of the above

Question 20

When constructing a frequency distribution for quantitative data, it is important to remember that ________.

Accepted Answer

A)  classes are mutually exclusive 
B)  classes are collectively exhaustive 
C)  the total number of classes usually ranges from 5 to 20 
D)  All of the above 
A)  classes are mutually exclusive 
B)  classes are collectively exhaustive 
C)  the total number of classes usually ranges from 5 to 20 
D)  All of the above

The following stem-and-leaf diagram shows the last 20 dividend payments (in cents) paid by Procter and Gamble. The most common dividend payment is ________.

A bar chart may be displayed horizontally.

A stem-and-leaf diagram is constructed by separating each value of a data set into two parts. What are these parts?

The following frequency distribution shows the frequency of the asking price, in thousands of dollars, for current homes on the market in a particular city. What percentage of houses has an asking price between $350,000 and under $400,000?

Consider the following frequency distribution. How many observations are at least 15 but less than 18?

An analyst constructed the following frequency distribution on the monthly returns for 50 selected stocks: The proportion of stocks with returns of 0% up to 10% is ________.

Consider the following frequency distribution. What proportion of the observations are less than 21?

The manager at a water park constructed the following frequency distribution to summarize attendance in July and August. What of the following is the most likely attendance range?

The following histogram represents the number of pages in each book within a collection. What is the frequency of books containing at least 200 but fewer than 250 pages?

Graphically, we can show a(n) for qualitative data by constructing a pie chart or a bar chart.

The accompanying relative frequency distribution represents the last year car sales for the sales force at Kelly's Mega Used Car Center. If Kelly's employs 100 salespeople, how many of these salespeople have sold at least 35 but fewer than 45 cars in the last year?

Recent home sales in a suburb of Washington, D.C., are shown in the accompanying ogive. Approximate the percentage of houses that sold for more than $500,000.

The following table lists some of the busiest ports in the world based on the number of containers in Year 1. Construct a pie chart to summarize the data. Approximately what percent of the total number of containers go through Hong Kong?

The following is a list of five of the world's busiest airports by passenger traffic for Year 1. The percentage of passenger traffic in the five busiest airports that occurred in Asia is the closest to ________.

A city in California spent $6 million repairing damage to its public buildings in Year 1. The following table shows the categories where the money was directed. How much did the city spend to fix damage caused by mold?

The accompanying table shows students' scores from the final exam in a history course. How many of the students scored at least 70 but less than 90?

What type of relationship is indicated in the scatterplot?

What may be revealed from a scatterplot?

When constructing a frequency distribution for quantitative data, it is important to remember that ________.

Statistics and Data

Numerical Descriptive Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Testing

Statistical Inference Concerning Two Populations

Statistical Inference Concerning Variance

Chi-Square Tests

Analysis of Variance

Regression Analysis

Inference With Regression Models

Regression Models for Nonlinear Relationships

Regression Models With Dummy Variables

Time Series and Forecasting

Returns, Index Numbers, and Inflation

Nonparametric Tests

Filters

Exam 2: Tabular and Graphical Methods

The following stem-and-leaf diagram shows the last 20 dividend payments (in cents) paid by Procter and Gamble. The most common dividend payment is ________.

A bar chart may be displayed horizontally.

A stem-and-leaf diagram is constructed by separating each value of a data set into two parts. What are these parts?

The following frequency distribution shows the frequency of the asking price, in thousands of dollars, for current homes on the market in a particular city. What percentage of houses has an asking price between $350,000 and under $400,000?

Consider the following frequency distribution. How many observations are at least 15 but less than 18?

An analyst constructed the following frequency distribution on the monthly returns for 50 selected stocks: The proportion of stocks with returns of 0% up to 10% is ________.

Consider the following frequency distribution. What proportion of the observations are less than 21?

The manager at a water park constructed the following frequency distribution to summarize attendance in July and August. What of the following is the most likely attendance range?

The following histogram represents the number of pages in each book within a collection. What is the frequency of books containing at least 200 but fewer than 250 pages?

Graphically, we can show a(n) ________ ________ for qualitative data by constructing a pie chart or a bar chart.

The accompanying relative frequency distribution represents the last year car sales for the sales force at Kelly's Mega Used Car Center. If Kelly's employs 100 salespeople, how many of these salespeople have sold at least 35 but fewer than 45 cars in the last year?

Recent home sales in a suburb of Washington, D.C., are shown in the accompanying ogive. Approximate the percentage of houses that sold for more than $500,000.

The following table lists some of the busiest ports in the world based on the number of containers in Year 1. Construct a pie chart to summarize the data. Approximately what percent of the total number of containers go through Hong Kong?

The following is a list of five of the world's busiest airports by passenger traffic for Year 1. The percentage of passenger traffic in the five busiest airports that occurred in Asia is the closest to ________.

A city in California spent $6 million repairing damage to its public buildings in Year 1. The following table shows the categories where the money was directed. How much did the city spend to fix damage caused by mold?

The accompanying table shows students' scores from the final exam in a history course. How many of the students scored at least 70 but less than 90?

What type of relationship is indicated in the scatterplot?

What may be revealed from a scatterplot?

When constructing a frequency distribution for quantitative data, it is important to remember that ________.

Statistics and Data

Numerical Descriptive Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Testing

Statistical Inference Concerning Two Populations

Statistical Inference Concerning Variance

Chi-Square Tests

Analysis of Variance

Regression Analysis

Inference With Regression Models

Regression Models for Nonlinear Relationships

Regression Models With Dummy Variables

Time Series and Forecasting

Returns, Index Numbers, and Inflation

Nonparametric Tests

Filters

Graphically, we can show a(n) for qualitative data by constructing a pie chart or a bar chart.