Question 1

In a cumulative percent frequency distribution, the last class will have a cumulative percent frequency equal to

Accepted Answer

A) one 
B) 100 
C) the total number of elements in the data set 
D) None of these alternatives is correct. 
A) one 
B) 100 
C) the total number of elements in the data set 
D) None of these alternatives is correct.

Question 2

There are 800 students in the School of Business Administration. There are four majors in the School: Accounting, Finance, Management, and Marketing. The following shows the number of students in each major.   Develop a percent frequency distribution and construct a bar chart and a pie chart.

Accepted Answer

The answer of There are 800 students in the School...

Question 3

Which of the following is a graphical summary of a set of data in which each data value is represented by a dot above the axis?

Accepted Answer

A) histogram 
B) box plot 
C) dot plot 
D) crosstabulation 
A) histogram 
B) box plot 
C) dot plot 
D) crosstabulation

Question 4

The most common graphical presentation of quantitative data is a

Accepted Answer

A) histogram 
B) bar chart 
C) relative frequency 
D) pie chart 
A) histogram 
B) bar chart 
C) relative frequency 
D) pie chart

Question 5

The ACT scores of a sample of business school students and their genders are shown below.   
a.How many students scored less than 20?
b.How many students were female?
c.Of the male students, how many scored 25 or more?
d.Compute row percentages and comment on any relationship that may exist between ACT scores and gender of the individuals.
e.Compute column percentages.

Accepted Answer

The answer of The ACT scores of a sample of...

Question 6

A situation in which conclusions based upon aggregated crosstabulation are different from unaggregated crosstabulation is known as

Accepted Answer

A) wrong crosstabulation 
B) Simpson's rule 
C) Simpson's paradox 
D) aggregated crosstabulation 
A) wrong crosstabulation 
B) Simpson's rule 
C) Simpson's paradox 
D) aggregated crosstabulation

Question 7

The following data set shows the number of hours of sick leave that some of the employees of Bastien's, Inc. have taken during the first quarter of the year (rounded to the nearest hour).   
a.Develop a frequency distribution for the above data. (Let the width of your classes be 10 units and start your first class as 10 - 19.)
b.Develop a relative frequency distribution and a percent frequency distribution for the data.
c.Develop a cumulative frequency distribution.
d.How many employees have taken less than 40 hours of sick leave?

Accepted Answer

The answer of The following data set shows the number...

Question 8

Exhibit 2-3
A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school.  
-Refer to Exhibit 2-3. What percentage of the students does not plan to go to graduate school?

Accepted Answer

A) 280 
B) 520 
C) 65 
D) 32 
A) 280 
B) 520 
C) 65 
D) 32

Question 9

Below you are given the examination scores of 20 students.   
a.Construct a frequency distribution for this data. Let the first class be 50 - 59.
b.Construct a cumulative frequency distribution.
c.Construct a relative frequency distribution.
d.Construct a cumulative relative frequency distribution.

Accepted Answer

The answer of Below you are given the examination scores...

Question 10

A frequency distribution is

Accepted Answer

A) a tabular summary of a set of data showing the relative frequency 
B) a graphical form of representing data 
C) a tabular summary of a set of data showing the frequency of items in each of several nonoverlapping classes 
D) a graphical device for presenting categorical data 
A) a tabular summary of a set of data showing the relative frequency 
B) a graphical form of representing data 
C) a tabular summary of a set of data showing the frequency of items in each of several nonoverlapping classes 
D) a graphical device for presenting categorical data

Question 11

A histogram is said to be skewed to the left if it has a

Accepted Answer

A) longer tail to the right 
B) shorter tail to the right 
C) shorter tail to the left 
D) longer tail to the left 
A) longer tail to the right 
B) shorter tail to the right 
C) shorter tail to the left 
D) longer tail to the left

Question 12

The frequency distribution below was constructed from data collected on the quarts of soft drinks consumed per week by 20 students.   
a.Construct a relative frequency distribution.
b.Construct a cumulative frequency distribution.
c.Construct a cumulative relative frequency distribution.

Accepted Answer

The answer of The frequency distribution below was constructed from...

Question 13

Exhibit 2-4
Michael's Compute-All, a national computer retailer, has kept a record of the number of laptop computers they have sold for a period of 80 days. Their sales records are shown below:  
-Refer to Exhibit 2-4. The lower limit of the first class is

Accepted Answer

A) 5 
B) 80 
C) 0 
D) 20 
A) 5 
B) 80 
C) 0 
D) 20

Question 14

The relative frequency of a class is computed by

Accepted Answer

A) dividing the midpoint of the class by the sample size 
B) dividing the frequency of the class by the midpoint 
C) dividing the sample size by the frequency of the class 
D) dividing the frequency of the class by the sample size 
A) dividing the midpoint of the class by the sample size 
B) dividing the frequency of the class by the midpoint 
C) dividing the sample size by the frequency of the class 
D) dividing the frequency of the class by the sample size

Question 15

A graphical presentation of the relationship between two variables is

Accepted Answer

A) an ogive 
B) a histogram 
C) either an ogive or a histogram, depending on the type of data 
D) a scatter diagram 
A) an ogive 
B) a histogram 
C) either an ogive or a histogram, depending on the type of data 
D) a scatter diagram

Question 16

Exhibit 2-4
Michael's Compute-All, a national computer retailer, has kept a record of the number of laptop computers they have sold for a period of 80 days. Their sales records are shown below:  
-Refer to Exhibit 2-4. The number of days in which the company sold less than 60 laptops is

Accepted Answer

A) 20 
B) 30 
C) 50 
D) 60 
A) 20 
B) 30 
C) 50 
D) 60

Question 17

Forty shoppers were asked if they preferred the weight of a can of soup to be 6 ounces, 8 ounces, or 10 ounces. Below you are given their responses.   
a.Construct a frequency distribution and graphically represent the frequency distribution.
b.Construct a relative frequency distribution and graphically represent the relative frequency distribution.

Accepted Answer

The answer of Forty shoppers were asked if they preferred...

Question 18

Exhibit 2-4
Michael's Compute-All, a national computer retailer, has kept a record of the number of laptop computers they have sold for a period of 80 days. Their sales records are shown below:  
-Refer to Exhibit 2-4. The percentage of days in which the company sold at least 40 laptops is

Accepted Answer

A) 37.5% 
B) 62.5% 
C) 90.0% 
D) 75.0% 
A) 37.5% 
B) 62.5% 
C) 90.0% 
D) 75.0%

Question 19

In constructing a frequency distribution, the approximate class width is computed as

Accepted Answer

A) (largest data value - smallest data value)/number of classes 
B) (largest data value - smallest data value)/sample size 
C) (smallest data value - largest data value)/sample size 
D) largest data value/number of classes 
A) (largest data value - smallest data value)/number of classes 
B) (largest data value - smallest data value)/sample size 
C) (smallest data value - largest data value)/sample size 
D) largest data value/number of classes

Question 20

The reversal of conclusions based on aggregate and unaggregated data is called:

Accepted Answer

A) Simpson's paradox 
B) Trim's paradox 
C) Poisson dilemma 
D) Simon's paradox 
A) Simpson's paradox 
B) Trim's paradox 
C) Poisson dilemma 
D) Simon's paradox

In a cumulative percent frequency distribution, the last class will have a cumulative percent frequency equal to

There are 800 students in the School of Business Administration. There are four majors in the School: Accounting, Finance, Management, and Marketing. The following shows the number of students in each major. Develop a percent frequency distribution and construct a bar chart and a pie chart.

Which of the following is a graphical summary of a set of data in which each data value is represented by a dot above the axis?

The most common graphical presentation of quantitative data is a

A situation in which conclusions based upon aggregated crosstabulation are different from unaggregated crosstabulation is known as

Exhibit 2-3 A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. -Refer to Exhibit 2-3. What percentage of the students does not plan to go to graduate school?

Below you are given the examination scores of 20 students. a.Construct a frequency distribution for this data. Let the first class be 50 - 59. b.Construct a cumulative frequency distribution. c.Construct a relative frequency distribution. d.Construct a cumulative relative frequency distribution.

A frequency distribution is

A histogram is said to be skewed to the left if it has a

The frequency distribution below was constructed from data collected on the quarts of soft drinks consumed per week by 20 students. a.Construct a relative frequency distribution. b.Construct a cumulative frequency distribution. c.Construct a cumulative relative frequency distribution.

Exhibit 2-4 Michael's Compute-All, a national computer retailer, has kept a record of the number of laptop computers they have sold for a period of 80 days. Their sales records are shown below: -Refer to Exhibit 2-4. The lower limit of the first class is

The relative frequency of a class is computed by

A graphical presentation of the relationship between two variables is

Exhibit 2-4 Michael's Compute-All, a national computer retailer, has kept a record of the number of laptop computers they have sold for a period of 80 days. Their sales records are shown below: -Refer to Exhibit 2-4. The number of days in which the company sold less than 60 laptops is

Exhibit 2-4 Michael's Compute-All, a national computer retailer, has kept a record of the number of laptop computers they have sold for a period of 80 days. Their sales records are shown below: -Refer to Exhibit 2-4. The percentage of days in which the company sold at least 40 laptops is

In constructing a frequency distribution, the approximate class width is computed as

The reversal of conclusions based on aggregate and unaggregated data is called:

Data and Statistics

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Comparing Multiple Proportions, Test of Independence and Goodness of Fit

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Time Series Analysis and Forecasting

Nonparametric Methods

Statistical Methods for Quality Control

Index Numbers

Decision Analysis on Website

Sample Survey on Website

Filters

Exam 2: Descriptive Statistics: Tabular and Graphical Displays

In a cumulative percent frequency distribution, the last class will have a cumulative percent frequency equal to

There are 800 students in the School of Business Administration. There are four majors in the School: Accounting, Finance, Management, and Marketing. The following shows the number of students in each major. Develop a percent frequency distribution and construct a bar chart and a pie chart.

Which of the following is a graphical summary of a set of data in which each data value is represented by a dot above the axis?

The most common graphical presentation of quantitative data is a

A situation in which conclusions based upon aggregated crosstabulation are different from unaggregated crosstabulation is known as

Exhibit 2-3 A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. -Refer to Exhibit 2-3. What percentage of the students does not plan to go to graduate school?

Below you are given the examination scores of 20 students. a.Construct a frequency distribution for this data. Let the first class be 50 - 59. b.Construct a cumulative frequency distribution. c.Construct a relative frequency distribution. d.Construct a cumulative relative frequency distribution.

A frequency distribution is

A histogram is said to be skewed to the left if it has a

The frequency distribution below was constructed from data collected on the quarts of soft drinks consumed per week by 20 students. a.Construct a relative frequency distribution. b.Construct a cumulative frequency distribution. c.Construct a cumulative relative frequency distribution.

Exhibit 2-4 Michael's Compute-All, a national computer retailer, has kept a record of the number of laptop computers they have sold for a period of 80 days. Their sales records are shown below: -Refer to Exhibit 2-4. The lower limit of the first class is

The relative frequency of a class is computed by

A graphical presentation of the relationship between two variables is

Exhibit 2-4 Michael's Compute-All, a national computer retailer, has kept a record of the number of laptop computers they have sold for a period of 80 days. Their sales records are shown below: -Refer to Exhibit 2-4. The number of days in which the company sold less than 60 laptops is

Exhibit 2-4 Michael's Compute-All, a national computer retailer, has kept a record of the number of laptop computers they have sold for a period of 80 days. Their sales records are shown below: -Refer to Exhibit 2-4. The percentage of days in which the company sold at least 40 laptops is

In constructing a frequency distribution, the approximate class width is computed as

The reversal of conclusions based on aggregate and unaggregated data is called:

Data and Statistics

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Comparing Multiple Proportions, Test of Independence and Goodness of Fit

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Time Series Analysis and Forecasting

Nonparametric Methods

Statistical Methods for Quality Control

Index Numbers

Decision Analysis on Website

Sample Survey on Website

Filters