Question 1

The alternative hypothesis for an ANOVA is that at least one pair is significantly different.

Accepted Answer

A) True 
 B)False

Question 2

The standard error of a difference curve has a mean of:

Accepted Answer

A)  1. 
B)  0. 
C)  1.96 
D)  2.58 
E)  -1. 
A)  1. 
B)  0. 
C)  1.96 
D)  2.58 
E)  -1.

Question 3

Directional hypotheses are also feasible in the case of tests of statistically significant differences.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following commands would be used to test for the significant differences between two percentages using XL Data Analyst?

Accepted Answer

A)  "Summarize," "2 Group Percents," select two target variables, then select one grouping variable, and "OK" 
B)  "Compare," "2 Group Percents," select two grouping variables, and "OK" 
C)  "Compare," "2 Group Percents," select two target variables, and "OK" 
D)  "Summarize," "2 Group Percents," select two grouping variables, then select one target variable, and "OK" 
E)  "Compare," "2 Group Percents," select two grouping variables, then select one target variable, and "OK" 
A)  "Summarize," "2 Group Percents," select two target variables, then select one grouping variable, and "OK" 
B)  "Compare," "2 Group Percents," select two grouping variables, and "OK" 
C)  "Compare," "2 Group Percents," select two target variables, and "OK" 
D)  "Summarize," "2 Group Percents," select two grouping variables, then select one target variable, and "OK" 
E)  "Compare," "2 Group Percents," select two grouping variables, then select one target variable, and "OK"

Question 5

ANOVA uses the F test statistic, and the significance value that appears is the degree of support for the alternative hypothesis.

Accepted Answer

A) True 
 B)False

Question 6

A group comparison table is often used to summarize significant differences when reporting group differences to clients.

Accepted Answer

A) True 
 B)False

Question 7

When a researcher is determining if two groups are statistically significant, he or she is considering the two groups as two separate populations. The question is whether or not the two different populations':

Accepted Answer

A)  z scores are the same. 
B)  t scores are the same. 
C)  parameters are different. 
D)  associations are different. 
E)  summarization values are the same. 
A)  z scores are the same. 
B)  t scores are the same. 
C)  parameters are different. 
D)  associations are different. 
E)  summarization values are the same.

Question 8

The null hypothesis states that the difference in two groups population parameter is:

Accepted Answer

A)  less than 1; there is no significant difference between the groups. 
B)  less than 0 (a negative number); showing a directional difference between the groups. 
C)  the same as the alternative hypothesis; no difference between the hypotheses. 
D)  equal to zero; there is no difference between the groups. 
E)  equal to zero; there is a difference between the groups. 
A)  less than 1; there is no significant difference between the groups. 
B)  less than 0 (a negative number); showing a directional difference between the groups. 
C)  the same as the alternative hypothesis; no difference between the hypotheses. 
D)  equal to zero; there is no difference between the groups. 
E)  equal to zero; there is a difference between the groups.

Question 9

Assume you have two questions of the same format, a 5-point scale measuring importance level. One question measures the importance of prices in the selection of a restaurant and the other measures the importance of food quality. If you want to know if the two mean scores of each question are significantly different, you would use:

Accepted Answer

A)  a z test of the differences between two percentages. 
B)  the procedure for testing the significance of the difference between two means from two different groups. 
C)  an independent samples t test. 
D)  a two mean comparison z test. 
E)  a two question, mean comparison test. 
A)  a z test of the differences between two percentages. 
B)  the procedure for testing the significance of the difference between two means from two different groups. 
C)  an independent samples t test. 
D)  a two mean comparison z test. 
E)  a two question, mean comparison test.

Question 10

Researchers can avoid the pitfall that traps many in the industry by understanding the difference between ___________ significance and ___________ significance.

Accepted Answer

A)  objective; subjective 
B)  quantitative; qualitative 
C)  statistical; managerial 
D)  statistical; practical 
E)  relevant; irrelevant 
A)  objective; subjective 
B)  quantitative; qualitative 
C)  statistical; managerial 
D)  statistical; practical 
E)  relevant; irrelevant

Question 11

Let's say we wanted to see if there was a significant difference between your class's GPA when you were all freshmen and your class's GPA today. What is the proper test for differences?

Accepted Answer

A)  differences between percentages of 2 groups 
B)  differences between percentages of 2 variables in one group 
C)  differences between 2 research projects 
D)  differences between averages of 2 variables in one group 
E)  differences between averages of 2 groups 
A)  differences between percentages of 2 groups 
B)  differences between percentages of 2 variables in one group 
C)  differences between 2 research projects 
D)  differences between averages of 2 variables in one group 
E)  differences between averages of 2 groups

Question 12

In the test to determine significance difference between two means generated by independent samples, there is no provision for testing a directional hypothesis such as "males drink more soft drinks per week than females."

Accepted Answer

A) True 
 B)False

Question 13

In your textbook, you learn to test for significant differences between:

Accepted Answer

A)  two percentages or two means. 
B)  two percentages or three percentages. 
C)  two means or three percentages. 
D)  three or more percentages. 
E)  a percentage and a mean. 
A)  two percentages or two means. 
B)  two percentages or three percentages. 
C)  two means or three percentages. 
D)  three or more percentages. 
E)  a percentage and a mean.

Question 14

Practical significance depends on whether or not there is a(n):

Accepted Answer

A)  useful managerial application that uses the difference. 
B)  confidence level of 99% or 95%. 
C)  marketing research report completed. 
D)  budget available. 
E)  financial analysis. 
A)  useful managerial application that uses the difference. 
B)  confidence level of 99% or 95%. 
C)  marketing research report completed. 
D)  budget available. 
E)  financial analysis.

Question 15

The word "variance" in the term "analysis of variance" is misleading.

Accepted Answer

A) True 
 B)False

Question 16

When two variable averages are not significantly different, this means that the arithmetic difference between them is not a true one.

Accepted Answer

A) True 
 B)False

Question 17

Comparing the average of one variable to the average of another variable within the same group is valid whether or not the variables were measured with the same scale.

Accepted Answer

A) True 
 B)False

Question 18

ANOVA is used to determine if there is any correlation among three or more paired groups or samples.

Accepted Answer

A) True 
 B)False

Question 19

Practical significance depends on whether or not there is a useful managerial application that uses the statistically significant difference that was uncovered.

Accepted Answer

A) True 
 B)False

Question 20

When making a comparison between two groups of respondents to determine whether or not they are statistically different, in concept, the researcher is considering the two groups as two:

Accepted Answer

A)  different populations. 
B)  different answers. 
C)  different tests. 
D)  common groups. 
E)  related groups. 
A)  different populations. 
B)  different answers. 
C)  different tests. 
D)  common groups. 
E)  related groups.

The alternative hypothesis for an ANOVA is that at least one pair is significantly different.

The standard error of a difference curve has a mean of:

Directional hypotheses are also feasible in the case of tests of statistically significant differences.

Which of the following commands would be used to test for the significant differences between two percentages using XL Data Analyst?

ANOVA uses the F test statistic, and the significance value that appears is the degree of support for the alternative hypothesis.

A group comparison table is often used to summarize significant differences when reporting group differences to clients.

When a researcher is determining if two groups are statistically significant, he or she is considering the two groups as two separate populations. The question is whether or not the two different populations':

The null hypothesis states that the difference in two groups population parameter is:

Researchers can avoid the pitfall that traps many in the industry by understanding the difference between _ significance and _ significance.

Let's say we wanted to see if there was a significant difference between your class's GPA when you were all freshmen and your class's GPA today. What is the proper test for differences?

In the test to determine significance difference between two means generated by independent samples, there is no provision for testing a directional hypothesis such as "males drink more soft drinks per week than females."

In your textbook, you learn to test for significant differences between:

Practical significance depends on whether or not there is a(n):

The word "variance" in the term "analysis of variance" is misleading.

When two variable averages are not significantly different, this means that the arithmetic difference between them is not a true one.

Comparing the average of one variable to the average of another variable within the same group is valid whether or not the variables were measured with the same scale.

ANOVA is used to determine if there is any correlation among three or more paired groups or samples.

Practical significance depends on whether or not there is a useful managerial application that uses the statistically significant difference that was uncovered.

When making a comparison between two groups of respondents to determine whether or not they are statistically different, in concept, the researcher is considering the two groups as two:

Introducing Marketing Research

The Marketing Research Process

Research Design

Using Secondary Data and Online Information Databases

Qualitative Research Methods

Quantitative Data Collection Methods

Survey Measurement Scales

Questionnaire Design

Sampling

Data Collection and Basic Descriptive Statistics

Population Estimates and Hypothesis Testing

Relationships Between Variables

Communicating the Research Results

Filters

Exam 12: Testing of Differences

The alternative hypothesis for an ANOVA is that at least one pair is significantly different.

The standard error of a difference curve has a mean of:

Directional hypotheses are also feasible in the case of tests of statistically significant differences.

Which of the following commands would be used to test for the significant differences between two percentages using XL Data Analyst?

ANOVA uses the F test statistic, and the significance value that appears is the degree of support for the alternative hypothesis.

A group comparison table is often used to summarize significant differences when reporting group differences to clients.

When a researcher is determining if two groups are statistically significant, he or she is considering the two groups as two separate populations. The question is whether or not the two different populations':

The null hypothesis states that the difference in two groups population parameter is:

Researchers can avoid the pitfall that traps many in the industry by understanding the difference between ___________ significance and ___________ significance.

Let's say we wanted to see if there was a significant difference between your class's GPA when you were all freshmen and your class's GPA today. What is the proper test for differences?

In the test to determine significance difference between two means generated by independent samples, there is no provision for testing a directional hypothesis such as "males drink more soft drinks per week than females."

In your textbook, you learn to test for significant differences between:

Practical significance depends on whether or not there is a(n):

The word "variance" in the term "analysis of variance" is misleading.

When two variable averages are not significantly different, this means that the arithmetic difference between them is not a true one.

Comparing the average of one variable to the average of another variable within the same group is valid whether or not the variables were measured with the same scale.

ANOVA is used to determine if there is any correlation among three or more paired groups or samples.

Practical significance depends on whether or not there is a useful managerial application that uses the statistically significant difference that was uncovered.

When making a comparison between two groups of respondents to determine whether or not they are statistically different, in concept, the researcher is considering the two groups as two:

Introducing Marketing Research

The Marketing Research Process

Research Design

Using Secondary Data and Online Information Databases

Qualitative Research Methods

Quantitative Data Collection Methods

Survey Measurement Scales

Questionnaire Design

Sampling

Data Collection and Basic Descriptive Statistics

Population Estimates and Hypothesis Testing

Relationships Between Variables

Communicating the Research Results

Filters

Researchers can avoid the pitfall that traps many in the industry by understanding the difference between _ significance and _ significance.