Question 1

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

Accepted Answer

A)  Monthly receipts at an apparel shop 
B)  Monthly demand for a technology item 
C)  Dow Jones Index 
D)  All of the above 
E)  None of the above 
A)  Monthly receipts at an apparel shop 
B)  Monthly demand for a technology item 
C)  Dow Jones Index 
D)  All of the above 
E)  None of the above

Question 2

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 3

In June, 2013, Viamedia sponsored an online survey to sample a group of American adults aged 18 and older about watching television. 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 4

The following tables display some of the demographic data collected in a recent
(2012) Nielsen Global Survey analyzing Asian American purchasing behaviors and
television viewing patterns. List the variables in the data set. Indicate whether each
variable is categorical or quantitative. If the variable is quantitative, give the units.

Accepted Answer

@#IMG-DLM&

Categorical: Household Income Ranges,

Question 5

A Consumer Reports survey on the level of tipping for service providers. This is what kind of variable?

Accepted Answer

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

Question 6

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 7

For each of the following, indicate whether the data are cross-sectional or time series: - Monthly spending on household goods
- Change in population for 5 consecutive years
- Composition of types of Asian American families in the most populated U.S. cities.
- Monthly demand for a technology item
- Percentage of adults who purchase goods online

Accepted Answer

- Monthly spending on household goods
Ti

Question 8

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

Question 9

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)  Dow Jones Index 
D)  All of the above 
E)  None of the above. 
A)  Company quarterly profits 
B)  Percentage of American adults who work full time 
C)  Dow Jones Index 
D)  All of the above 
E)  None of the above.

Question 10

The Human Resources Department of a large corporation maintains records on its employees. Data are maintained of the following variables: Age, Employment Category,
Education, and Whether or not the employee has an advanced degree. Which of these
Variables are categorical?

Accepted Answer

A)  Age, Employment Category, and Education 
B)  Employment Category and Education 
C)  Education and Whether or not the employee has an advanced degree 
D)  All of the variables 
E)  None of the variables 
A)  Age, Employment Category, and Education 
B)  Employment Category and Education 
C)  Education and Whether or not the employee has an advanced degree 
D)  All of the variables 
E)  None of the variables

Question 11

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 12

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 13

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 14

For each of the following, indicate whether the data are cross-sectional or time series:
• Dow Jones Index
• Eating habits by age group
• Attitudes toward abortion over past 10 years
• Voting behavior data for a particular neighborhood

Accepted Answer

- Dow Jones Index
Time Series
- Eating h

Question 15

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. $$\begin{array} { | c | c | c | c | c | } 
\hline \text { Age } & \begin{array} { c } 
\text { Employment } \
\text { Category }
\end{array} & \text { Education } & \begin{array} { c } 
\text { Participates in } \
\text { Wellness Program? }
\end{array} & \begin{array} { l } 
\text { Paycheck Benefit } \
\text { Deductions }
\end{array} \
\hline 32 & \text { Clerical } & \text { High School } & \text { Yes } & \$ 250 \
\hline 52 & \text { Professional } & \text { College } & \text { No } & \$ 120 \
\hline 60 & \text { Professional } & \text { Junior College } & \text { Yes } & \$ 0 \
\hline 28 & \text { Clerical } & \text { High School } & \text { No } & \$ 120 \
\hline
\end{array}$$

Accepted Answer

Categorical: Employment Catego

Question 16

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 17

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.

Question 18

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 19

The data collected in a recent (2012) Nielsen Global Survey analyzed Asian American demographics. 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 20

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.

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

In June, 2013, Viamedia sponsored an online survey to sample a group of American adults aged 18 and older about watching television. American adults aged 18 and older Constitute the ______ of the study.

A Consumer Reports survey on the level of tipping for service providers. This is what kind of variable?

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?

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

The Human Resources Department of a large corporation maintains records on its employees. Data are maintained of the following variables: Age, Employment Category, Education, and Whether or not the employee has an advanced degree. Which of these Variables are categorical?

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?

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?

For each of the following, indicate whether the data are cross-sectional or time series: • Dow Jones Index • Eating habits by age group • Attitudes toward abortion over past 10 years • Voting behavior data for a particular neighborhood

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.

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?

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

The data collected in a recent (2012) Nielsen Global Survey analyzed Asian American demographics. Which of the following statements is (are) true?

A Consumer Reports Health study on arthritis drugs takes into consideration cost. Cost is

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

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Exam 1: Data and Decisions

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

In June, 2013, Viamedia sponsored an online survey to sample a group of American adults aged 18 and older about watching television. American adults aged 18 and older Constitute the ______ of the study.

A Consumer Reports survey on the level of tipping for service providers. This is what kind of variable?

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?

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

The Human Resources Department of a large corporation maintains records on its employees. Data are maintained of the following variables: Age, Employment Category, Education, and Whether or not the employee has an advanced degree. Which of these Variables are categorical?

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?

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?

For each of the following, indicate whether the data are cross-sectional or time series: • Dow Jones Index • Eating habits by age group • Attitudes toward abortion over past 10 years • Voting behavior data for a particular neighborhood

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.

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?

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

The data collected in a recent (2012) Nielsen Global Survey analyzed Asian American demographics. Which of the following statements is (are) true?

A Consumer Reports Health study on arthritis drugs takes into consideration cost. Cost is

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