Question 1

Automobile exhaust emission of CO2 (milligrams per mile) is ____________ data.

Accepted Answer

A) nominal 
B) ordinal 
C) interval 
D) ratio 
A) nominal 
B) ordinal 
C) interval 
D) ratio

Question 2

Quantitative variables use which two levels of measurement?

Accepted Answer

A) Ordinal and ratio 
B) Interval and ordinal 
C) Nominal and ordinal 
D) Interval and ratio 
A) Ordinal and ratio 
B) Interval and ordinal 
C) Nominal and ordinal 
D) Interval and ratio

Question 3

Judgment sampling and convenience sampling are nonrandom sampling techniques.

Accepted Answer

A) True 
 B)False

Question 4

Temperature in degrees Fahrenheit is an example of a(n) __________ variable.

Accepted Answer

A) nominal 
B) ordinal 
C) interval 
D) ratio 
A) nominal 
B) ordinal 
C) interval 
D) ratio

Question 5

A section of the population we have targeted for analysis is:

Accepted Answer

A) a statistic. 
B) a frame. 
C) a sample. 
D) a coven. 
A) a statistic. 
B) a frame. 
C) a sample. 
D) a coven.

Question 6

A population has groups that have a small amount of variation within them, but large variation among or between the groups themselves. The proper sampling technique is:

Accepted Answer

A) simple random. 
B) stratified. 
C) cluster. 
D) judgment. 
A) simple random. 
B) stratified. 
C) cluster. 
D) judgment.

Question 7

Which is a time series variable?

Accepted Answer

A) VISA balances of 30 students on December 31 of this year 
B) Net earnings reported by Xena Corp. for the last 10 quarters 
C) Dollar exchange rates yesterday against 10 other world currencies 
D) Titles of the top 10 movies in total revenue last week 
A) VISA balances of 30 students on December 31 of this year 
B) Net earnings reported by Xena Corp. for the last 10 quarters 
C) Dollar exchange rates yesterday against 10 other world currencies 
D) Titles of the top 10 movies in total revenue last week

Question 8

Which of the following is a correct statement?

Accepted Answer

A) Choosing the third person listed on every fifth page of the phone book is stratified sampling. 
B) An advantage of a systematic sample is that no list of enumerated data items is required. 
C) Convenience sampling is used to study shoppers in convenience stores. 
D) Judgment sampling is an example of true random sampling. 
A) Choosing the third person listed on every fifth page of the phone book is stratified sampling. 
B) An advantage of a systematic sample is that no list of enumerated data items is required. 
C) Convenience sampling is used to study shoppers in convenience stores. 
D) Judgment sampling is an example of true random sampling.

Question 9

Sampling bias can best be reduced by:

Accepted Answer

A) using appropriate data coding. 
B) having a computer tabulate the results. 
C) utilizing random sampling. 
D) taking a judgment sample. 
A) using appropriate data coding. 
B) having a computer tabulate the results. 
C) utilizing random sampling. 
D) taking a judgment sample.

Question 10

Which of the following is false?

Accepted Answer

A) Mail surveys are cheap but have low response rates. 
B) Coverage error is when respondents give untruthful answers. 
C) Focus groups are nonrandom but can probe issues more deeply. 
D) Surveys posted on popular websites suffer from selection bias. 
A) Mail surveys are cheap but have low response rates. 
B) Coverage error is when respondents give untruthful answers. 
C) Focus groups are nonrandom but can probe issues more deeply. 
D) Surveys posted on popular websites suffer from selection bias.

Question 11

Which is not a time series variable?

Accepted Answer

A) Closing checkbook balances of 30 students on December 31 of this year 
B) Net earnings reported by Xena Corp. for the last 10 quarters 
C) Dollar/euro exchange rates at 12 noon GMT for the last 30 days 
D) Movie attendance at a certain theater for each Saturday last year 
A) Closing checkbook balances of 30 students on December 31 of this year 
B) Net earnings reported by Xena Corp. for the last 10 quarters 
C) Dollar/euro exchange rates at 12 noon GMT for the last 30 days 
D) Movie attendance at a certain theater for each Saturday last year

Question 12

Which of the following is numerical data?

Accepted Answer

A) Your gender 
B) The brand of cell phone you own 
C) Whether you have an American Express card 
D) The fuel economy (MPG) of your car 
A) Your gender 
B) The brand of cell phone you own 
C) Whether you have an American Express card 
D) The fuel economy (MPG) of your car

Question 13

A good Likert scale may not have:

Accepted Answer

A) unequal distances between scale points. 
B) an odd number of scale points. 
C) a verbal label on each scale point. 
D) verbal anchors at its end points. 
A) unequal distances between scale points. 
B) an odd number of scale points. 
C) a verbal label on each scale point. 
D) verbal anchors at its end points.

Question 14

Ordinal data can be treated as if it were nominal data but not vice versa.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is not true?

Accepted Answer

A) Categorical data have values that are described by words rather than numbers. 
B) Categorical data are also referred to as nominal or qualitative data. 
C) The number of checks processed at a bank in a day is categorical data. 
D) Numerical data can be either discrete or continuous. 
A) Categorical data have values that are described by words rather than numbers. 
B) Categorical data are also referred to as nominal or qualitative data. 
C) The number of checks processed at a bank in a day is categorical data. 
D) Numerical data can be either discrete or continuous.

Question 16

A Likert scale:

Accepted Answer

A) yields interval data if scale distances are equal. 
B) must have an odd number of scale points. 
C) must have a verbal label on each scale point. 
D) is rarely used in marketing surveys. 
A) yields interval data if scale distances are equal. 
B) must have an odd number of scale points. 
C) must have a verbal label on each scale point. 
D) is rarely used in marketing surveys.

Question 17

Responses on a seven-point Likert scale are usually treated as ratio data.

Accepted Answer

A) True 
 B)False

Question 18

Which statement is correct?

Accepted Answer

A) Analysts rarely consult business periodicals (e.g., Bloomberg Businessweek). 
B) Web searches (e.g., Google) often yield unverifiable data. 
C) Government data sources (e.g., www.bls.gov) are often costly. 
D) Private statistical databases (e.g., CRSP) are usually free. 
A) Analysts rarely consult business periodicals (e.g., Bloomberg Businessweek). 
B) Web searches (e.g., Google) often yield unverifiable data. 
C) Government data sources (e.g., www.bls.gov) are often costly. 
D) Private statistical databases (e.g., CRSP) are usually free.

Question 19

If you randomly sample 50 students about their favorite places to eat, the data collected would be referred to as cross-sectional data.

Accepted Answer

A) True 
 B)False

Question 20

Sampling error is avoidable by choosing the sample scientifically.

Accepted Answer

A) True 
 B)False

Automobile exhaust emission of CO₂ (milligrams per mile) is ____________ data.

Quantitative variables use which two levels of measurement?

Judgment sampling and convenience sampling are nonrandom sampling techniques.

Temperature in degrees Fahrenheit is an example of a(n) __________ variable.

A section of the population we have targeted for analysis is:

A population has groups that have a small amount of variation within them, but large variation among or between the groups themselves. The proper sampling technique is:

Which is a time series variable?

Which of the following is a correct statement?

Sampling bias can best be reduced by:

Which of the following is false?

Which is not a time series variable?

Which of the following is numerical data?

A good Likert scale may not have:

Ordinal data can be treated as if it were nominal data but not vice versa.

Which of the following is not true?

A Likert scale:

Responses on a seven-point Likert scale are usually treated as ratio data.

Which statement is correct?

If you randomly sample 50 students about their favorite places to eat, the data collected would be referred to as cross-sectional data.

Sampling error is avoidable by choosing the sample scientifically.

Overview of Statistics

Describing Data Visually

Descriptive Statistics

Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions and Estimation

One-Sample Hypothesis Tests

Two-Sample Hypothesis Tests

Analysis of Variance

Simple Regression

Multiple Regression

Time Series Analysis

Chi-Square Tests

Nonparametric Tests

Quality Management

Filters

Exam 2: Data Collection

Automobile exhaust emission of CO2 (milligrams per mile) is ____________ data.

Quantitative variables use which two levels of measurement?

Judgment sampling and convenience sampling are nonrandom sampling techniques.

Temperature in degrees Fahrenheit is an example of a(n) __________ variable.

A section of the population we have targeted for analysis is:

A population has groups that have a small amount of variation within them, but large variation among or between the groups themselves. The proper sampling technique is:

Which is a time series variable?

Which of the following is a correct statement?

Sampling bias can best be reduced by:

Which of the following is false?

Which is not a time series variable?

Which of the following is numerical data?

A good Likert scale may not have:

Ordinal data can be treated as if it were nominal data but not vice versa.

Which of the following is not true?

A Likert scale:

Responses on a seven-point Likert scale are usually treated as ratio data.

Which statement is correct?

If you randomly sample 50 students about their favorite places to eat, the data collected would be referred to as cross-sectional data.

Sampling error is avoidable by choosing the sample scientifically.

Overview of Statistics

Describing Data Visually

Descriptive Statistics

Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions and Estimation

One-Sample Hypothesis Tests

Two-Sample Hypothesis Tests

Analysis of Variance

Simple Regression

Multiple Regression

Time Series Analysis

Chi-Square Tests

Nonparametric Tests

Quality Management

Filters

Automobile exhaust emission of CO₂ (milligrams per mile) is ____________ data.