Question 1

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 E

Question 2

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. B

Question 3

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 D

Question 4

List the variables reported in the Consumer Reports Magazine article on tipping. If
the variable is quantitative, give the units. If the variable is categorical, indicate whether
it is nominal or ordinal.

Accepted Answer

Categorical: Whether or not someone tipp

Question 5

In addition to the variables listed above, data were also collected on the variables
listed below. Indicate whether each is nominal or ordinal.
• Region (NE, NW, MW, SW, SE) Nominal
• Education (Less than High School, High School, Some College, College +) Ordinal
• Marital Status (Single, Widowed, Divorced, Married) Nominal

Accepted Answer

- Region (NE, NW, MW, SW, SE)

Question 6

A mid-priced chain of hotels, Hometown Suites, strives to make its guests "feel at home" by providing amenities such as microwaves in every room. Comment cards are
Used to get feedback on the importance of such amenities by asking guests to rate them
Using the scale: ___ Essential ___ Important ___ Not Important. These data are

Accepted Answer

A)  qualitative. 
B)  nominal. 
C)  ordinal. 
D)  both A and B. 
E)  both A and C. 
A)  qualitative. 
B)  nominal. 
C)  ordinal. 
D)  both A and B. 
E)  both A and C.

Question 7

Businesses are interested in the work experience of recent graduates from a local business school. Whether or not the graduates have work experience constitutes 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 8

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 9

Consumer Reports Health routinely compares drugs in terms of effectiveness and
safety. In summer 2008 they reviewed drugs used to treat arthritis. Information was
reported on convenience of use (how many pills required each day), possible side effects
(e.g., dizziness, stomach upset), cost, and ratings of effectiveness in relieving symptoms
(very effective, somewhat effective, not effective). Describe the W's for the information
given. - Who:
- What:
- When:
- Where:
- How:
- Why:

Accepted Answer

• Who:
drugs to treat arthritis currentl

Question 10

In a survey undertaken by a university to gauge student satisfaction in its online MBA program, one question asked students to indicate their employment status (unemployed,
Employed part-time, employed full-time). Which of the following is true?

Accepted Answer

A)  This variable is categorical. 
B)  This variable is quantitative. 
C)  This is an identifier variable. 
D)  Both A and C. 
E)  Both B and C. 
A)  This variable is categorical. 
B)  This variable is quantitative. 
C)  This is an identifier variable. 
D)  Both A and C. 
E)  Both B and C.

Question 11

What is the "What" in a Consumer Reports Tipping study on the level of tipping during the current holiday season compared to the last holiday season?

Accepted Answer

A)  whether or not tipped 
B)  amount of tip compared to last year 
C)  the type of tip 
D)  the United States 
A)  whether or not tipped 
B)  amount of tip compared to last year 
C)  the type of tip 
D)  the United States

Question 12

Viamedia, the cable industry's leading independent cable rep firm and provider of
online advertising services, sponsored an online survey in June, 2013 to
understand television viewing habits. The survey was given to 2,029 American
adults age 18 and older, of whom 1,958 watch television programming. Of
interest was how Americans watched television -72% watch cable TV while 33%
watch on a device (tablet, smartphone, computer). Describe the W's for the
information given. - Who:
- What:
- When:
- Where:
- How:
- Why:

Accepted Answer

• Who:
American adults aged 18

Question 13

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

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 15

Consumer Reports National Research Center routinely compares products and
services. A poll of more than 1,800 U.S. residents was conducted shortly after the 2008
holiday season. What they found was that fewer people than in the previous year tipped
their service providers (newspaper carrier, barber, mail carrier, hairdresser, garbage
collector) or the amount that consumers tip for specific services was reduced..
Information was reported on the type of service, whether a tip or gift was given, and the
median total value of the tip. Describe the W's for the information given.
• Who:
• What:
• When:
• Where:
• How:
• Why:

Accepted Answer

- Who:
U.S. residents, most likely adult

Question 16

A Consumer Reports study on tipping takes into consideration median amount of tipping for service providers. Tipping 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.

Question 17

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 18

Businesses in a U.S. city were surveyed about information to provide to prospective
employees after graduating from business school. 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. $$\begin{array} { | c | c | c | c | } 
\hline \begin{array} { c } 
\text { Employment } \
\text { Category }
\end{array} & \begin{array} { c } 
\text { Require an MBA } \
\text { Degree? }
\end{array} & \begin{array} { c } 
\text { Level of Work } \
\text { Experience } \
\text { Preferred? }
\end{array} & \begin{array} { l } 
\text { Median Salary of } \
\text { New Graduates }
\end{array} \
\hline \text { Sales } & \text { No } & \text { None } & \$ 35,000 \
\hline \text { Management } & \text { Yes } & \text { Extensive } & \$ 47,000 \
\hline \text { Accounting } & \text { No } & \text { Moderate } & \$ 52,000 \
\hline \text { Advertising } & \text { No } & \text { None } & \$ 45,000 \
\hline
\end{array}$$

Accepted Answer

Categorical: Employment Catego

Question 19

A few of the variables for which data were collected in the Viamedia survey about television viewing include age, gender, income, and type of device used to watch
Television. Which of the variables is categorical?

Accepted Answer

A)  Age 
B)  Type of device used to watch television 
C)  Income 
D)  All 
E)  None 
A)  Age 
B)  Type of device used to watch television 
C)  Income 
D)  All 
E)  None

Question 20

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

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?

Which of the following is (are) based on cross sectional data?

Which of the following is (are) time series data?

List the variables reported in the Consumer Reports Magazine article on tipping. If the variable is quantitative, give the units. If the variable is categorical, indicate whether it is nominal or ordinal.

Businesses are interested in the work experience of recent graduates from a local business school. Whether or not the graduates have work experience constitutes the ________ of the study.

In a survey undertaken by a university to gauge student satisfaction in its online MBA program, one question asked students to indicate their employment status (unemployed, Employed part-time, employed full-time). Which of the following is true?

What is the "What" in a Consumer Reports Tipping study on the level of tipping during the current holiday season compared to the last holiday season?

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?

A Consumer Reports study on tipping takes into consideration median amount of tipping for service providers. Tipping is

A mid-priced chain of hotels, Hometown Suites, collects data on monthly occupancy rates for forecasting and planning purposes. These data are

A few of the variables for which data were collected in the Viamedia survey about television viewing include age, gender, income, and type of device used to watch Television. Which of the variables is categorical?

What is the "Who" in a Consumer Reports Health study on the effectiveness and safety of drugs used to treat arthritis?

Displaying and Describing Categorical Data

Displaying and Describing Quantitative Data

Correlation and Linear Regression

Randomness and Probability

Random Variables and Probability Models

The Normal and Other Continuous Distributions

Surveys and Sampling

Sampling Distributions and Confidence Intervals for Proportions

Testing Hypotheses About Proportions

Confidence Intervals and Hypothesis Tests for Means

Comparing Two Means

Inference for Counts: Chi-Square Tests

Inference for Regression

Multiple Regression

Introduction to Data Mining

Filters

Exam 1: Data and Decisions

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?

Which of the following is (are) based on cross sectional data?

Which of the following is (are) time series data?

List the variables reported in the Consumer Reports Magazine article on tipping. If the variable is quantitative, give the units. If the variable is categorical, indicate whether it is nominal or ordinal.

Businesses are interested in the work experience of recent graduates from a local business school. Whether or not the graduates have work experience constitutes the ________ of the study.

In a survey undertaken by a university to gauge student satisfaction in its online MBA program, one question asked students to indicate their employment status (unemployed, Employed part-time, employed full-time). Which of the following is true?

What is the "What" in a Consumer Reports Tipping study on the level of tipping during the current holiday season compared to the last holiday season?

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?

A Consumer Reports study on tipping takes into consideration median amount of tipping for service providers. Tipping is

A mid-priced chain of hotels, Hometown Suites, collects data on monthly occupancy rates for forecasting and planning purposes. These data are

A few of the variables for which data were collected in the Viamedia survey about television viewing include age, gender, income, and type of device used to watch Television. Which of the variables is categorical?

What is the "Who" in a Consumer Reports Health study on the effectiveness and safety of drugs used to treat arthritis?

Displaying and Describing Categorical Data

Displaying and Describing Quantitative Data

Correlation and Linear Regression

Randomness and Probability

Random Variables and Probability Models

The Normal and Other Continuous Distributions

Surveys and Sampling

Sampling Distributions and Confidence Intervals for Proportions

Testing Hypotheses About Proportions

Confidence Intervals and Hypothesis Tests for Means

Comparing Two Means

Inference for Counts: Chi-Square Tests

Inference for Regression

Multiple Regression

Introduction to Data Mining

Filters