MRKT 345 EXAM 3 PRACTICE QUESTIONS
A(n) _________ is used to statistically evaluate the differences between the group
means in ANOVA.
a. pre hoc test
b. F-test
c. t-test
d. follow-up test
e. Chi-square test - Answers -b. F-test
You have a dataset with the following values: 4, 8, 12, 16, 20, and 24. Which measure
of central tendency will give you a value that is exactly within your dataset?
a. Mean
b. Mode
c. Range
d. Median
e. Variance - Answers -c. Range
What does the null hypothesis (H0) typically state?
a. There is no effect or difference
b. The sample is not representative
c. There is an effect or difference
d. The population parameters are unknown
e. The significance level is high - Answers -a. There is no effect or difference
What is the purpose of a p-value in marketing when evaluating an ad campaign's
performance?
a. To determine the campaign's sample characteristics
b. To assess the Type I error rate of the campaign
c. To understand the strength of the evidence against the null hypothesis
d. To measure the campaign's population parameters
e. To estimate the campaign's budget - Answers -c. To understand the strength of the
evidence against the null hypothesis
What does a lower significance level (α) typically indicate in hypothesis testing?
a. A more favorable p-value
b. A need for stronger evidence to reject the null hypothesis
c. A higher budget for advertising
d. A more favorable p-value
, e. A more effective ad campaign
f. A higher likelihood of Type II errors - Answers -b. A need for stronger evidence to
reject the null hypothesis
Validating data using sidewalk surveys
a. To create better survey questions
b. To validate the interviewer's credentials
c. To detect and eliminate data errors and biases
d. To increase survey response rates
e. To conduct more interviews with respondents - Answers -c. To detect and eliminate
data errors and biases
The standard deviation is an indicator of how similar or dissimilar the numbers are in a
set of responses - Answers -true
Which type of data validation error involves falsifying survey responses?
a. Courtesy
b. Completeness
c. Screening
d. Procedure
e. Fraud - Answers -e. Fraud
What does 'editing and coding' involve in the data preparation process?
a. Rearranging data sequences
b. Removing unnecessary data
c. Converting data to binary format
d. Converting data to physical format
e. Correcting errors and assigning codes - Answers -e. Correcting errors and assigning
codes
What is curbstoning in the context of data validation?
a. Falsifying survey responses by interviewers
b. Conducting surveys during peak hours
c. Validating data using sidewalk surveys
d. Using online platforms for survey distribution
e. Interviewing respondents at curbside locations - Answers -a. Falsifying survey
responses by interviewers
_________ is an indicator of the importance of an independent variable in predicting a
dependent variable.
a. Regression coefficient
A(n) _________ is used to statistically evaluate the differences between the group
means in ANOVA.
a. pre hoc test
b. F-test
c. t-test
d. follow-up test
e. Chi-square test - Answers -b. F-test
You have a dataset with the following values: 4, 8, 12, 16, 20, and 24. Which measure
of central tendency will give you a value that is exactly within your dataset?
a. Mean
b. Mode
c. Range
d. Median
e. Variance - Answers -c. Range
What does the null hypothesis (H0) typically state?
a. There is no effect or difference
b. The sample is not representative
c. There is an effect or difference
d. The population parameters are unknown
e. The significance level is high - Answers -a. There is no effect or difference
What is the purpose of a p-value in marketing when evaluating an ad campaign's
performance?
a. To determine the campaign's sample characteristics
b. To assess the Type I error rate of the campaign
c. To understand the strength of the evidence against the null hypothesis
d. To measure the campaign's population parameters
e. To estimate the campaign's budget - Answers -c. To understand the strength of the
evidence against the null hypothesis
What does a lower significance level (α) typically indicate in hypothesis testing?
a. A more favorable p-value
b. A need for stronger evidence to reject the null hypothesis
c. A higher budget for advertising
d. A more favorable p-value
, e. A more effective ad campaign
f. A higher likelihood of Type II errors - Answers -b. A need for stronger evidence to
reject the null hypothesis
Validating data using sidewalk surveys
a. To create better survey questions
b. To validate the interviewer's credentials
c. To detect and eliminate data errors and biases
d. To increase survey response rates
e. To conduct more interviews with respondents - Answers -c. To detect and eliminate
data errors and biases
The standard deviation is an indicator of how similar or dissimilar the numbers are in a
set of responses - Answers -true
Which type of data validation error involves falsifying survey responses?
a. Courtesy
b. Completeness
c. Screening
d. Procedure
e. Fraud - Answers -e. Fraud
What does 'editing and coding' involve in the data preparation process?
a. Rearranging data sequences
b. Removing unnecessary data
c. Converting data to binary format
d. Converting data to physical format
e. Correcting errors and assigning codes - Answers -e. Correcting errors and assigning
codes
What is curbstoning in the context of data validation?
a. Falsifying survey responses by interviewers
b. Conducting surveys during peak hours
c. Validating data using sidewalk surveys
d. Using online platforms for survey distribution
e. Interviewing respondents at curbside locations - Answers -a. Falsifying survey
responses by interviewers
_________ is an indicator of the importance of an independent variable in predicting a
dependent variable.
a. Regression coefficient
