Question 1

Marketing researchers frequently use cross-tabulation techniques in data analysis.

Accepted Answer

A) True 
 B)False  True

Question 2

The key statistical test for an ANOVA model is the:

Accepted Answer

A) χ² test 
B) t-test 
C) F-test 
D) Z-test 
A) χ² test 
B) t-test 
C) F-test 
D) Z-test C

Question 3

In using the Z-test for comparing two proportions,the null hypothesis is typically stated as:

Accepted Answer

A)  $ \pi_{1}=\pi_{2} $ 
B)  $ \pi_{1} \neq \pi_{2} $ 
C)  $ \pi_{1} \times \pi_{2}=1 $ 
D)  $ \pi_{1}-\pi_{2}=1 $ 
A)  $ \pi_{1}=\pi_{2} $ 
B)  $ \pi_{1} \neq \pi_{2} $ 
C)  $ \pi_{1} \times \pi_{2}=1 $ 
D)  $ \pi_{1}-\pi_{2}=1 $ A

Question 4

When the difference between two groups is measured,this is a form of bivariate statistics.

Accepted Answer

A) True 
 B)False

Question 5

Supposed you used a 10-point rating scale to measure intention-to-buy (1 = definitely would not buy and 10 = definitely would buy).If a group of 40 males had a mean of 7 and a standard deviation of 2.5,while a group of 35 females had a mean of 5 and a standard deviation of 1.4,the standard error of the difference between the means would be approximately:

Accepted Answer

A) 0.48 
B) 1.36 
C) 2.45 
D) not enough information to determine 
A) 0.48 
B) 1.36 
C) 2.45 
D) not enough information to determine

Question 6

One way to interpret the meaning of the results of the t-test is to focus on the ____________________ and the group means.

Accepted Answer

The answer of One way to interpret the meaning of...

Question 7

Another form of the alternative hypothesis when testing the difference between the means of the two groups is:

Accepted Answer

A)  $ \mu_{1}-\mu_{2}=0 $ 
B)  $ \mu_{1}-\mu_{2} \neq 0 $ 
C)  $ \mu_{1}-\mu_{2}=2 $ 
D)  $ \mu_{1}-\mu_{2} \neq 2 $ 
A)  $ \mu_{1}-\mu_{2}=0 $ 
B)  $ \mu_{1}-\mu_{2} \neq 0 $ 
C)  $ \mu_{1}-\mu_{2}=2 $ 
D)  $ \mu_{1}-\mu_{2} \neq 2 $

Question 8

The null hypothesis for an ANOVA test comparing the means of three groups is: m₁ ₌ m₂ ₌ m₃.

Accepted Answer

A) True 
 B)False

Question 9

In order to use the chi-square test,the expected frequency in each of the cells of the contingency table should be at least:

Accepted Answer

A) 2 
B) 5 
C) 30 
D) 40 
A) 2 
B) 5 
C) 30 
D) 40

Question 10

In using the t-test to compare the difference between the means of two groups,the formula for determining the degrees of freedom is ____________________.

Accepted Answer

The answer of In using the t-test to compare the...

Question 11

Means that appear to be not so close to each other are usually statistically concluded that they are different.

Accepted Answer

A) True 
 B)False

Question 12

In practice,what is the first step in interpreting the t-test when comparing two means?

Accepted Answer

A) compute the t-test value 
B) find the p-value associated with the t and the corresponding degrees of freedom 
C) examine the difference in means to find the "direction" of any difference 
D) examine if there is a difference at the 50 percent confidence interval before examining the 95 percent confidence interval 
A) compute the t-test value 
B) find the p-value associated with the t and the corresponding degrees of freedom 
C) examine the difference in means to find the "direction" of any difference 
D) examine if there is a difference at the 50 percent confidence interval before examining the 95 percent confidence interval

Question 13

The formula for determining the degrees of freedom for a chi-square test is ____________________.

Accepted Answer

The answer of The formula for determining the degrees of...

Question 14

Discuss when a paired-samples t-test is appropriate and give an example of when it should be used.

Accepted Answer

A paired-samples t-test is an appropriat

Question 15

The t-test for comparing the means of two groups assumes that the data are in nominal scales.

Accepted Answer

A) True 
 B)False

Question 16

In using the t-test to compare the difference between the means of two groups,the null hypothesis is normally stated as ____________________.

Accepted Answer

The answer of In using the t-test to compare the...

Question 17

The first basic step in interpreting t-test results is to find the p-value associated with a particular t and the corresponding degrees of freedom.

Accepted Answer

A) True 
 B)False

Question 18

A cross-tabulation is a simple way to describe the relationships between two groups.

Accepted Answer

A) True 
 B)False

Question 19

How many degrees of freedom are there in a four-cell chi-square test?

Accepted Answer

A) (R + 1) 
B) (R - 1) 
C) (R - 1)(C - 1) 
D) R(C - 1) 
A) (R + 1) 
B) (R - 1) 
C) (R - 1)(C - 1) 
D) R(C - 1)

Question 20

The ____________________ test studies the significance of a joint frequency distribution.

Accepted Answer

The answer of The ____________________ test studies the significance of...

Exam 22: Bivariate Statistical Analysis: Differences Between Two Variables

Marketing researchers frequently use cross-tabulation techniques in data analysis.

The key statistical test for an ANOVA model is the:

In using the Z-test for comparing two proportions,the null hypothesis is typically stated as:

When the difference between two groups is measured,this is a form of bivariate statistics.

One way to interpret the meaning of the results of the t-test is to focus on the ____________________ and the group means.

Another form of the alternative hypothesis when testing the difference between the means of the two groups is:

The null hypothesis for an ANOVA test comparing the means of three groups is: m₁ ₌ m₂ ₌ m₃.

In order to use the chi-square test,the expected frequency in each of the cells of the contingency table should be at least:

In using the t-test to compare the difference between the means of two groups,the formula for determining the degrees of freedom is ____________________.

Means that appear to be not so close to each other are usually statistically concluded that they are different.

In practice,what is the first step in interpreting the t-test when comparing two means?

The formula for determining the degrees of freedom for a chi-square test is ____________________.

Discuss when a paired-samples t-test is appropriate and give an example of when it should be used.

The t-test for comparing the means of two groups assumes that the data are in nominal scales.

In using the t-test to compare the difference between the means of two groups,the null hypothesis is normally stated as ____________________.

The first basic step in interpreting t-test results is to find the p-value associated with a particular t and the corresponding degrees of freedom.

A cross-tabulation is a simple way to describe the relationships between two groups.

How many degrees of freedom are there in a four-cell chi-square test?

The ____________________ test studies the significance of a joint frequency distribution.

The Role of Marketing Research

Information Systems and Knowledge Management

The Marketing Research Process

The Human Side of Marketing Research: Organizational and Ethical Issues

Problem Definition: Jump-Starting the Research Process

Qualitative Research Tools

Secondary Data Research in a Digital Age

Survey Research: an Overview

Survey Research: Basic Methods of Communication With Respondents

Observation

Experimental Research: An Overview

Test Markets and Experimental Design

Measurement

Attitude Measurement

Questionnaire Design

Sampling Designs and Sampling Procedures

Determination of Sample Size: A Review of Statistical Theory

Fieldwork

Editing and Coding: Transforming Raw Data Into Information

Basic Data Analysis: Descriptive Statistics

Univariate Statistical Analysis

Bivariate Statistical Analysis: Measures of Association

Introducing Multivariate Statistical Analysis

Communicating Research Results: Research Report, oral Presentation, and Research Follow-Up

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