Question 1

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

Accepted Answer

The data collected from the comment cards are qualitative because they describe a quality (the importance of amenities) rather than a quantity. They are ordinal because the responses can be ranked (Essential > Important > Not Important).

Question 2

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

Accepted Answer

Time series data refers to data that is collected at regular intervals over time. Weekly receipts, monthly demand, and quarterly sales all fit this definition, making all three options time series data.

Question 3

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?
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.

Accepted Answer

The variable "employment status" has three distinct categories and does not have any numerical values associated with it, making it a categorical variable.

Question 4

A Consumer Reports survey on the level of tipping for service providers. This is what kind of variable?
A) Quantitative
B) Ordinal
C) Nominal
D) Both A and C
E) Both B and C

Accepted Answer

The level of tipping for service providers can be ranked or ordered (e.g., low, medium, high), making it an ordinal variable.

Question 5

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

Accepted Answer

The data was collected through a short e-mail questionnaire, indicating that it was a designed survey conducted by Alexander's to gather information about their regular customers' interest in the potential addition of a tea room.

Question 6

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

Accepted Answer

The variable of whether or not the hotel includes a spa is a categorical variable since it provides categories of having a spa or not having a spa.

Question 7

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

Accepted Answer

Tipping involves amounts of money given as a gratuity for services, which can be measured and quantified, making it a quantitative variable.

Question 8

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

Accepted Answer

Categorical variables are those that can be grouped into categories or classes. Age and income are numerical variables and cannot be grouped in this way. Type of device used to watch television, on the other hand, can be categorized into classes such as TV, computer, tablet, etc., making it a categorical variable. Therefore, the best choice is B.

Question 9

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?
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.

Accepted Answer

The variable "Price range for rooms with an ocean view" is quantitative because it is a numerical value and can be measured. The units are in dollars, making it a quantitative variable with a currency unit.

Question 10

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

Accepted Answer

The students who respond to the survey are considered the respondents. The other options do not apply in this scenario - participants and experimental units are typically used in experiments, subjects typically refer to individuals in a medical/clinical context, and variables are the characteristics or factors being measured in the study.

Question 11

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

Accepted Answer

The "who" in a study refers to the population or subjects being studied, which in this case are American adults aged 18 and older.

Question 12

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) 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.

Accepted Answer

The number of credits transferred into the program is a quantitative variable because it is a numerical value that can be measured and analyzed statistically. Categorical variables are those that represent categories or groups, such as gender or academic majors. Transactional variables are those that represent transactions or interactions, such as the number of online forum posts in the program. An identifier variable is one that uniquely identifies a case, such as a student ID number. Nominal variables are those that represent categories without an inherent order, such as types of fruits or car brands.

Question 13

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

Accepted Answer

Cross sectional data refers to data collected at a particular point in time, and B is the only option that fits this definition as it represents the percentage of American adults who work full time at a particular point in time. Company quarterly profits and Dow Jones Index are both time series data as they are collected over a period of time.

Question 14

A mid-priced chain of hotels, Hometown Suites, collects data on monthly occupancy rates for forecasting and planning purposes. These data are
A) cross-sectional.
B) time series.
C) categorical.
D) transactional.
E) experimental.

Accepted Answer

The data collected on monthly occupancy rates over time represent a time series, as the variable is measured at regular intervals over a period of time.

Question 15

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) 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

Accepted Answer

Age is a numerical variable, while Employment Category and Education are categorical variables. Whether or not an employee has an advanced degree could be considered categorical, but it can also be interpreted as a binary variable (yes/no), which is a specific type of categorical variable. Therefore, the two categorical variables in this situation are Employment Category and Education.

Question 16

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

Accepted Answer

The "What" in the Consumer Reports Tipping study is the amount of tip compared to last year. The study is specifically focused on comparing the level of tipping during the current holiday season with that of the last holiday season.

Question 17

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

Accepted Answer

The data collected through the questionnaire are cross-sectional as they represent a snapshot of the customers' spending habits on all natural, organic products at a specific point in time. They do not track changes over time, which would make them a time series. The question was also asking for a numerical response rather than categorical or experimental data. Lastly, the data are not related to a specific transaction.

Question 18

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

Accepted Answer

The question is asking about whether or not the graduates have work experience, which falls under the category of "what" information is being studied. The other answer choices (who, when, where, and how) are not relevant to the question being asked.

Question 19

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

Accepted Answer

The cases in this context are the individuals participating in the experiment, so they are best described as "Participants."

Question 20

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

Accepted Answer

Education level is a type of quantitative data, and it can be categorized based on the level of achievement. However, there is a clear order among these categories, e.g., high school diploma, associate's degree, bachelor's degree, etc. Therefore, education level is an ordinal variable.

Quiz 1: Data and Decisions

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

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?

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

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

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

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?

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?

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?

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.

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?

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

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

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?

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?

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.

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