Question 1

Identify cases, variables and any units.
-A Consumer Reports Health study on arthritis drugs takes into consideration cost.
Cost is

Accepted Answer

A)  is a nominal variable. 
B)  is a categorical variable. 
C)  is a quantitative variable. 
D)  is an ordinal variable. 
E)  is an irrelevant variable. 
A)  is a nominal variable. 
B)  is a categorical variable. 
C)  is a quantitative variable. 
D)  is an ordinal variable. 
E)  is an irrelevant variable. C

Question 2

Identify cases, variables and any units.
-Researchers in e-commerce design an experiment to determine what factors are most
Important to online consumers when completing a transaction via the Internet.
Individuals perform tasks on a set of Web sites and record their impressions about
Various attributes. Which of the following would best describe the cases?

Accepted Answer

A)  Participants 
B)  Respondents 
C)  Experimental Units 
D)  Transactions 
E)  Variables 
A)  Participants 
B)  Respondents 
C)  Experimental Units 
D)  Transactions 
E)  Variables A

Question 3

Identify cases, variables and any units.
-In a survey undertaken by a university to gauge student satisfaction in its online MBA
Program, one question asked students to indicate the number of credits they had
Transferred into the program. Which of the following is true?

Accepted Answer

A)  This variable is categorical. 
B)  This variable is transactional. 
C)  This variable is quantitative. 
D)  This is an identifier variable. 
E)  This variable is nominal. 
A)  This variable is categorical. 
B)  This variable is transactional. 
C)  This variable is quantitative. 
D)  This is an identifier variable. 
E)  This variable is nominal. C

Question 4

Identify time series and cross sections.
-A locally owned spa, Alexander's, is interested in adding a tea room that not only
Offers specialty teas but an organic lunch menu. In order to determine how many of its
Regular customers would be interested in such an addition, Alexander's sent out a short e-
Mail questionnaire. One question asked its customers to indicate how much they spend
Monthly on all natural, organic products. These data are

Accepted Answer

A)  cross-sectional. 
B)  time series. 
C)  categorical. 
D)  transactional. 
E)  experimental. 
A)  cross-sectional. 
B)  time series. 
C)  categorical. 
D)  transactional. 
E)  experimental.

Question 5

Provide context for data.
-What is the "Who" in a Consumer Reports Health study on the effectiveness and
Safety of drugs used to treat arthritis?

Accepted Answer

A)  drugs to treat arthritis currently on the market 
B)  convenience of use and possible side effects 
C)  summer 2008 
D)  the United States 
E)  testing on drugs 
A)  drugs to treat arthritis currently on the market 
B)  convenience of use and possible side effects 
C)  summer 2008 
D)  the United States 
E)  testing on drugs

Question 6

Identify time series and cross sections.
-Which of the following is (are) time series data?

Accepted Answer

A)  Weekly receipts at a clothing boutique 
B)  Monthly demand for an automotive part 
C)  Quarterly sales of automobiles 
D)  All of the above 
E)  None of the above 
A)  Weekly receipts at a clothing boutique 
B)  Monthly demand for an automotive part 
C)  Quarterly sales of automobiles 
D)  All of the above 
E)  None of the above

Question 7

Identify cases, variables and any units.
-A popular travel magazine regularly reviews hotels worldwide. In a recent issue, it
Focused on hotels in Hawaii. Among the variables for which it provided data was
Whether or not the hotel included a spa. This is a

Accepted Answer

A)  quantitative variable. 
B)  identifier variable. 
C)  ordinal variable. 
D)  categorical variable. 
E)  transactional variable. 
A)  quantitative variable. 
B)  identifier variable. 
C)  ordinal variable. 
D)  categorical variable. 
E)  transactional variable.

Question 8

Identify time series and cross sections.
-A mid-priced chain of hotels, Hometown Suites, collects data on monthly occupancy
Rates for forecasting and planning purposes. These data are

Accepted Answer

A)  cross-sectional. 
B)  time series. 
C)  categorical. 
D)  transactional. 
E)  experimental. 
A)  cross-sectional. 
B)  time series. 
C)  categorical. 
D)  transactional. 
E)  experimental.

Question 9

Identify data sources.
-A locally owned spa, Alexander's, is interested in adding a tea room that not only
Offers specialty teas but an organic lunch menu. In order to determine how many of its
Regular customers would be interested in such an addition, Alexander's sent out a short e-
Mail questionnaire. The source of these data is

Accepted Answer

A)  the Internet. 
B)  transactional. 
C)  a designed survey. 
D)  a designed experiment. 
E)  secondary. 
A)  the Internet. 
B)  transactional. 
C)  a designed survey. 
D)  a designed experiment. 
E)  secondary.

Question 10

Identify cases, variables and any units.
-The Pew Internet & Life Project study about online shopping asked respondents to
Indicate their education level on the following scale: Less than High School, High
School, Some College, College +. Which of the following statements is (are) true?

Accepted Answer

A)  Education level is a categorical variable. 
B)  Education level is nominal scaled. 
C)  Education level is ordinal scaled. 
D)  Both A and B 
E)  Both A and C 
A)  Education level is a categorical variable. 
B)  Education level is nominal scaled. 
C)  Education level is ordinal scaled. 
D)  Both A and B 
E)  Both A and C

Question 11

Create p-charts.
-List the variables reported in the Consumer Reports Health article on drugs used to
treat arthritis. If the variable is quantitative, give the units. If the variable is categorical,
indicate whether it is nominal or ordinal.

Accepted Answer

Categorical: Side effect (nomi

Question 12

Identify cases, variables and any units.
-A popular travel magazine regularly reviews hotels worldwide. In a recent issue, it
Focused on hotels in Hawaii. Among the variables for which it provided data was the
Price range for rooms with an ocean view. Which of the following statements is true?

Accepted Answer

A)  These data are transactional. 
B)  This variable is quantitative and the units are $. 
C)  This variable is quantitative and the units are number of rooms. 
D)  This variable is qualitative and ordinal. 
E)  These data are time series. 
A)  These data are transactional. 
B)  This variable is quantitative and the units are $. 
C)  This variable is quantitative and the units are number of rooms. 
D)  This variable is qualitative and ordinal. 
E)  These data are time series.

Question 13

Identify cases, variables and any units.
-A university is interested in gauging student satisfaction in its online MBA program.
A survey is designed and administered via the Internet to a sample of students currently
Active in the program. Which of the following would best describe the cases?

Accepted Answer

A)  Participants 
B)  Respondents 
C)  Experimental Units 
D)  Subjects 
E)  Variables 
A)  Participants 
B)  Respondents 
C)  Experimental Units 
D)  Subjects 
E)  Variables

Question 14

Create p-charts.
-The Human Resources Department of a large corporation maintains records on its
employees. The table displays some of these data. List the variables in the data set.
Indicate whether each variable is categorical or quantitative. If the variable is
quantitative, give the units. If the variable is categorical, indicate whether it is nominal or
ordinal.

Accepted Answer

Categorical: Employment Catego

Question 15

Provide context for data.
-In the fall of 2007, the Pew Internet & Life Project conducted telephone interviews
With a sample of American adults aged 18 and older about online shopping. American
Adults aged 18 and older constitute the ______ of the study.

Accepted Answer

A)  Who 
B)  What 
C)  When 
D)  Where 
E)  How 
A)  Who 
B)  What 
C)  When 
D)  Where 
E)  How

Question 16

Identify cases, variables and any units.
-The Human Resources Department of a large corporation maintains records on its
Employees. Data are maintained of the following variables: Age, Employment Category,
Education, Whether or not the employee participates in a wellness program, and
Paycheck benefit deductions. Which of these variables are categorical?

Accepted Answer

A)  Age, Employment Category, and Education 
B)  Employment Category, Education, and Whether or not the employee participates in a wellness program 
C)  Education, Whether or not the employee participates in a wellness program, and Paycheck benefit deductions 
D)  All of the variables 
E)  None of the variables 
A)  Age, Employment Category, and Education 
B)  Employment Category, Education, and Whether or not the employee participates in a wellness program 
C)  Education, Whether or not the employee participates in a wellness program, and Paycheck benefit deductions 
D)  All of the variables 
E)  None of the variables

Question 17

Provide context for data.
-Consumer Reports Health routinely compares drugs in terms of effectiveness and
Safety. In summer 2008 they reviewed drugs used to treat arthritis. Among the
Information reported was convenience of use (how many pills required each day) and
Possible side effects (e.g., dizziness, stomach upset). Convenience of use and possible
Side effects constitute the ________ of the study.

Accepted Answer

A)  Who 
B)  What 
C)  When 
D)  Where 
E)  How 
A)  Who 
B)  What 
C)  When 
D)  Where 
E)  How

Question 18

Identify cases, variables and any units.
-A few of the variables for which data were collected in the Pew Internet & Life
Project study about online shopping include age, gender, income, and number of hours
Spent shopping online per month. Which of the variables is categorical?

Accepted Answer

A)  Age 
B)  Gender 
C)  Income 
D)  Number of hours spent shopping online 
E)  None 
A)  Age 
B)  Gender 
C)  Income 
D)  Number of hours spent shopping online 
E)  None

Question 19

Identify cases, variables and any units.
-A Consumer Reports Health study on the effectiveness and safety of arthritis drugs
Collected data on possible side effects. This is what kind of variable?

Accepted Answer

A)  Quantitative 
B)  Categorical 
C)  Nominal 
D)  Both A and C 
E)  Both B and C 
A)  Quantitative 
B)  Categorical 
C)  Nominal 
D)  Both A and C 
E)  Both B and C

Question 20

Identify time series and cross sections.
-Which of the following is (are) based on cross sectional data?

Accepted Answer

A)  Company quarterly profits 
B)  Percentage of American adults who work full time 
C)  Historical closing stock prices 
D)  All of the above 
E)  None of the above. 
A)  Company quarterly profits 
B)  Percentage of American adults who work full time 
C)  Historical closing stock prices 
D)  All of the above 
E)  None of the above.

Identify cases, variables and any units. -A Consumer Reports Health study on arthritis drugs takes into consideration cost. Cost is

Identify cases, variables and any units. -In a survey undertaken by a university to gauge student satisfaction in its online MBA Program, one question asked students to indicate the number of credits they had Transferred into the program. Which of the following is true?

Provide context for data. -What is the "Who" in a Consumer Reports Health study on the effectiveness and Safety of drugs used to treat arthritis?

Identify time series and cross sections. -Which of the following is (are) time series data?

Identify cases, variables and any units. -A popular travel magazine regularly reviews hotels worldwide. In a recent issue, it Focused on hotels in Hawaii. Among the variables for which it provided data was Whether or not the hotel included a spa. This is a

Identify time series and cross sections. -A mid-priced chain of hotels, Hometown Suites, collects data on monthly occupancy Rates for forecasting and planning purposes. These data are

Identify cases, variables and any units. -The Pew Internet & Life Project study about online shopping asked respondents to Indicate their education level on the following scale: Less than High School, High School, Some College, College +. Which of the following statements is (are) true?

Create p-charts. -List the variables reported in the Consumer Reports Health article on drugs used to treat arthritis. If the variable is quantitative, give the units. If the variable is categorical, indicate whether it is nominal or ordinal.

Identify cases, variables and any units. -A popular travel magazine regularly reviews hotels worldwide. In a recent issue, it Focused on hotels in Hawaii. Among the variables for which it provided data was the Price range for rooms with an ocean view. Which of the following statements is true?

Identify cases, variables and any units. -A university is interested in gauging student satisfaction in its online MBA program. A survey is designed and administered via the Internet to a sample of students currently Active in the program. Which of the following would best describe the cases?

Provide context for data. -In the fall of 2007, the Pew Internet & Life Project conducted telephone interviews With a sample of American adults aged 18 and older about online shopping. American Adults aged 18 and older constitute the ______ of the study.

Identify cases, variables and any units. -A few of the variables for which data were collected in the Pew Internet & Life Project study about online shopping include age, gender, income, and number of hours Spent shopping online per month. Which of the variables is categorical?

Identify cases, variables and any units. -A Consumer Reports Health study on the effectiveness and safety of arthritis drugs Collected data on possible side effects. This is what kind of variable?

Identify time series and cross sections. -Which of the following is (are) based on cross sectional data?

Surveys and Sampling

Displaying and Describing Categorical Data

Displaying and Describing Quantitative Data

Correlation and Linear Regression

Randomness and Probability

Random Variables and Probability Models

The Normal Distribution

Confidence Intervals for Means

Confidence Intervals for Proportions

Confidence Intervals for Means

Testing Hypotheses

Comparing Two Groups

Inference for Counts: Chi-Square

Inference for Regression

Understanding Residuals

Multiple Regression

Data

Business Statistics

Decision Making and Risk

Introduction to Data Mining

Exploring and Collecting Data

Modeling With Probability

Inference for Decision Making

Models for Decision Making

Selected Topics in Decision Making

Filters

Exam 2: Data

Identify cases, variables and any units. -A Consumer Reports Health study on arthritis drugs takes into consideration cost. Cost is

Identify cases, variables and any units. -In a survey undertaken by a university to gauge student satisfaction in its online MBA Program, one question asked students to indicate the number of credits they had Transferred into the program. Which of the following is true?

Provide context for data. -What is the "Who" in a Consumer Reports Health study on the effectiveness and Safety of drugs used to treat arthritis?

Identify time series and cross sections. -Which of the following is (are) time series data?

Identify cases, variables and any units. -A popular travel magazine regularly reviews hotels worldwide. In a recent issue, it Focused on hotels in Hawaii. Among the variables for which it provided data was Whether or not the hotel included a spa. This is a

Identify time series and cross sections. -A mid-priced chain of hotels, Hometown Suites, collects data on monthly occupancy Rates for forecasting and planning purposes. These data are

Identify cases, variables and any units. -The Pew Internet & Life Project study about online shopping asked respondents to Indicate their education level on the following scale: Less than High School, High School, Some College, College +. Which of the following statements is (are) true?

Create p-charts. -List the variables reported in the Consumer Reports Health article on drugs used to treat arthritis. If the variable is quantitative, give the units. If the variable is categorical, indicate whether it is nominal or ordinal.

Identify cases, variables and any units. -A popular travel magazine regularly reviews hotels worldwide. In a recent issue, it Focused on hotels in Hawaii. Among the variables for which it provided data was the Price range for rooms with an ocean view. Which of the following statements is true?

Identify cases, variables and any units. -A university is interested in gauging student satisfaction in its online MBA program. A survey is designed and administered via the Internet to a sample of students currently Active in the program. Which of the following would best describe the cases?

Provide context for data. -In the fall of 2007, the Pew Internet & Life Project conducted telephone interviews With a sample of American adults aged 18 and older about online shopping. American Adults aged 18 and older constitute the ______ of the study.

Identify cases, variables and any units. -A few of the variables for which data were collected in the Pew Internet & Life Project study about online shopping include age, gender, income, and number of hours Spent shopping online per month. Which of the variables is categorical?

Identify cases, variables and any units. -A Consumer Reports Health study on the effectiveness and safety of arthritis drugs Collected data on possible side effects. This is what kind of variable?

Identify time series and cross sections. -Which of the following is (are) based on cross sectional data?

Surveys and Sampling

Displaying and Describing Categorical Data

Displaying and Describing Quantitative Data

Correlation and Linear Regression

Randomness and Probability

Random Variables and Probability Models

The Normal Distribution

Confidence Intervals for Means

Confidence Intervals for Proportions

Confidence Intervals for Means

Testing Hypotheses

Comparing Two Groups

Inference for Counts: Chi-Square

Inference for Regression

Understanding Residuals

Multiple Regression

Data

Business Statistics

Decision Making and Risk

Introduction to Data Mining

Exploring and Collecting Data

Modeling With Probability

Inference for Decision Making

Models for Decision Making

Selected Topics in Decision Making

Filters