Exam 15: Testing for Differences Between Groups and for Predictive Relationships

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In a regression equation,the slope of the line,β,is the change in X that is due to a corresponding change of one unit of Y.

(True/False)

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Question 21

In the regression equation,Y = a + βX , is the ____.

(Multiple Choice)

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Question 22

____________________ is the appropriate test to use when comparing the means of three or more groups to see if they are significantly different from one another.

(Short Answer)

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Question 23

One way to test the significance of the relationship shown in a contingency tables is by means of the chi-square test.

(True/False)

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Question 24

A(n)____________________ variable has two distinct levels that are coded as 0 and 1.

(Short Answer)

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Question 25

In regression,the standardized Y-intercept term is always 1.

(True/False)

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Question 26

Multiple regression analysis includes a single independent variable but several dependent variables.

(True/False)

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Question 27

The formula for the chi-square test uses ____.

(Multiple Choice)

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Question 28

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

(Multiple Choice)

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Question 29

Jamal is analyzing data and his current focus centers on how strongly interrelated the independent variables in his model are.Jamal is concerned about ____.

(Multiple Choice)

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Question 30

Several dummy variables can be included in a regression model.

(True/False)

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Question 31

In regression analysis,the equation of a straight line is Y = a + βX.

(True/False)

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Question 32

In regression analysis,the symbol X is commonly used for the variable,and the symbol Y is commonly used for the variable.

(Multiple Choice)

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Question 33

In most business research,the estimate of α in a regression equation is most important.

(True/False)

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Question 34

In using the t-test to compare the means of two groups,the alternative hypothesis is typically stated as ____.

(Multiple Choice)

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Question 35

If the regression equation is: Y = -4.2 + 3.6 X,then the expected score for Y when X is 4 would be ____.

(Multiple Choice)

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Question 36

When a researcher is attempting to predict sales volume by using building permits,amount of advertising,and the income levels of residents,the researcher is most likely using ____.

(Multiple Choice)

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Question 37

____________________ in regression analysis refers to how strongly interrelated the independent variables in a model are.

(Short Answer)

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Question 38

In the regression equation,Y = a + βX,Y is the ____.

(Multiple Choice)

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Question 39

The sum of differences between the group mean and the grand mean summed over all groups for a given set of observations is called ____________________.

(Short Answer)

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Question 40

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Exam 15: Testing for Differences Between Groups and for Predictive Relationships

In a regression equation,the slope of the line,β,is the change in X that is due to a corresponding change of one unit of Y.

In the regression equation,Y = a + βX , is the ____.

____________________ is the appropriate test to use when comparing the means of three or more groups to see if they are significantly different from one another.

One way to test the significance of the relationship shown in a contingency tables is by means of the chi-square test.

A(n)____________________ variable has two distinct levels that are coded as 0 and 1.

In regression,the standardized Y-intercept term is always 1.

Multiple regression analysis includes a single independent variable but several dependent variables.

The formula for the chi-square test uses ____.

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

Jamal is analyzing data and his current focus centers on how strongly interrelated the independent variables in his model are.Jamal is concerned about ____.

Several dummy variables can be included in a regression model.

In regression analysis,the equation of a straight line is Y = a + βX.

In regression analysis,the symbol X is commonly used for the ____ variable,and the symbol Y is commonly used for the ____ variable.

In most business research,the estimate of α in a regression equation is most important.

In using the t-test to compare the means of two groups,the alternative hypothesis is typically stated as ____.

If the regression equation is: Y = -4.2 + 3.6 X,then the expected score for Y when X is 4 would be ____.

When a researcher is attempting to predict sales volume by using building permits,amount of advertising,and the income levels of residents,the researcher is most likely using ____.

____________________ in regression analysis refers to how strongly interrelated the independent variables in a model are.

In the regression equation,Y = a + βX,Y is the ____.

The sum of differences between the group mean and the grand mean summed over all groups for a given set of observations is called ____________________.

The Role of Marketing Research

Information Systems and Knowledge Management

The Marketing Research Process

The Human Side of Marketing Research: Organizational and Ethical Issues

Qualitative Research Tools

Secondary Data Research in a Digital Age

Survey Research

Observation

Conducting Marketing Experiments

Measurement and Attitude Scaling

Questionnaire Design

Sampling Designs and Sampling Procedures

Big Data Basics: Describing Samples and Populations

Basic Data Analysis

Communicating Research Results

Beyond the Basics in Basic Data Analysis

Advanced Topics in Linear Analytics

Testing Hypotheses With Glm Procedures

Introducing Multivariate Data Analysis

Multivariate Data Analysis: Analytics With Interdependence Techniques

Primer on Structural Equations Modeling

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In regression analysis,the symbol X is commonly used for the variable,and the symbol Y is commonly used for the variable.