Question 1

The extent to which a change in one variable corresponds systematically to a change in another is referred to as ____________________.

Accepted Answer

covariance

Question 2

Standardized variables are generated by subtracting the mean of a variable from each observation and multiplying the result by the standard deviation of that variable.

Accepted Answer

A) True 
 B)False  False

Question 3

If the correlation between two variables is - 0.75,this means that there is a ____.

Accepted Answer

A) weak positive relationship between the variables 
B) strong inverse relationship between the variables 
C) weak negative relationship between the variables 
D) strong positive relationship between the variables 
A) weak positive relationship between the variables 
B) strong inverse relationship between the variables 
C) weak negative relationship between the variables 
D) strong positive relationship between the variables B

Question 4

Which correlation coefficient indicates a perfect negative relationship?

Accepted Answer

A) -1.0 
B) -0.5 
C) +0.5 
D) +1.0 
A) -1.0 
B) -0.5 
C) +0.5 
D) +1.0

Question 5

In a correlation matrix,the values in the main diagonal equal ____________________.

Accepted Answer

The answer of In a correlation matrix,the values in the...

Question 6

A major assumption of any GLM is that the residual terms are ____________________.

Accepted Answer

independen

Question 7

A correlation coefficient equal to -1.0 indicates an extremely weak relationship.

Accepted Answer

A) True 
 B)False

Question 8

Control variables are predictor variables not involved in any causal assertion or hypothesis but are included to better understand the true effect of hypothesized causal variables on dependent variables.

Accepted Answer

A) True 
 B)False

Question 9

A negative relationship means that as one variable decreases in value,the other also decreases.

Accepted Answer

A) True 
 B)False

Question 10

If the coefficient of determination between X and Y is .72,approximately what percentage of the variance in Y can be explained by X?

Accepted Answer

A) 22% 
B) 52% 
C) 72% 
D) 82% 
A) 22% 
B) 52% 
C) 72% 
D) 82%

Question 11

Which regression estimation technique is based on the logic of how much better a regression line can predict values of Y compared to simply using the mean as a prediction for all observations,no matter what the value of X may be?

Accepted Answer

A) visual estimation 
B) maximum likelihood 
C) coefficient of determination 
D) ordinary least squares (OLS) 
A) visual estimation 
B) maximum likelihood 
C) coefficient of determination 
D) ordinary least squares (OLS)

Question 12

If the coefficient of determination is approximately +0.38,the correlation coefficient might be ____.

Accepted Answer

A) -0.62 
B) -0.38 
C) +0.23 
D) + 0.38 
A) -0.62 
B) -0.38 
C) +0.23 
D) + 0.38

Question 13

Covariation in which one variable increases while the other decreases indicates a(n)____________________ relationship.

Accepted Answer

negative (

Question 14

When there is a strong positive correlation between two variables,but,in fact,both variables are caused by a third variable,the relationship between the first two variables is said to be ____.

Accepted Answer

A) strong and negative 
B) weak and negative 
C) inverse 
D) spurious 
A) strong and negative 
B) weak and negative 
C) inverse 
D) spurious

Question 15

Which term refers to the absolute amount of association between two variables,determined by how a change in one variable corresponds systematically to a change in another?

Accepted Answer

A) spurious association 
B) significance 
C) covariance 
D) standardized coefficient 
A) spurious association 
B) significance 
C) covariance 
D) standardized coefficient

Question 16

A scatter plot is a simple plot graphically depicting the corresponding values of variables onto one another in a Cartesian plane.

Accepted Answer

A) True 
 B)False

Question 17

If the correlation coefficient is - 0.62,the coefficient of determination is approximately ____.

Accepted Answer

A) - 0.62 
B) - 0.38 
C) + 0.38 
D) + 0.62 
A) - 0.62 
B) - 0.38 
C) + 0.38 
D) + 0.62

Question 18

Which VIF value would cause a researcher to suspect multicollinearity?

Accepted Answer

A) 0.0 
B) 0.5 
C) 1.0 
D) 5.0 
A) 0.0 
B) 0.5 
C) 1.0 
D) 5.0

Question 19

Which effect occurs if multiple predictor variables are strongly correlated with each other?

Accepted Answer

A) multicollinearity 
B) heteroskedasticity 
C) enodgeneity 
D) dependency 
A) multicollinearity 
B) heteroskedasticity 
C) enodgeneity 
D) dependency

Question 20

If r = -.88,this indicates a weak relationship between the two variables under study.

Accepted Answer

A) True 
 B)False

Exam 18: Advanced Topics in Linear Analytics

The extent to which a change in one variable corresponds systematically to a change in another is referred to as ____________________.

Standardized variables are generated by subtracting the mean of a variable from each observation and multiplying the result by the standard deviation of that variable.

If the correlation between two variables is - 0.75,this means that there is a ____.

Which correlation coefficient indicates a perfect negative relationship?

In a correlation matrix,the values in the main diagonal equal ____________________.

A major assumption of any GLM is that the residual terms are ____________________.

A correlation coefficient equal to -1.0 indicates an extremely weak relationship.

Control variables are predictor variables not involved in any causal assertion or hypothesis but are included to better understand the true effect of hypothesized causal variables on dependent variables.

A negative relationship means that as one variable decreases in value,the other also decreases.

If the coefficient of determination between X and Y is .72,approximately what percentage of the variance in Y can be explained by X?

Which regression estimation technique is based on the logic of how much better a regression line can predict values of Y compared to simply using the mean as a prediction for all observations,no matter what the value of X may be?

If the coefficient of determination is approximately +0.38,the correlation coefficient might be ____.

Covariation in which one variable increases while the other decreases indicates a(n)____________________ relationship.

When there is a strong positive correlation between two variables,but,in fact,both variables are caused by a third variable,the relationship between the first two variables is said to be ____.

Which term refers to the absolute amount of association between two variables,determined by how a change in one variable corresponds systematically to a change in another?

A scatter plot is a simple plot graphically depicting the corresponding values of variables onto one another in a Cartesian plane.

If the correlation coefficient is - 0.62,the coefficient of determination is approximately ____.

Which VIF value would cause a researcher to suspect multicollinearity?

Which effect occurs if multiple predictor variables are strongly correlated with each other?

If r = -.88,this indicates a weak relationship between the two variables under study.

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

Testing for Differences Between Groups and for Predictive Relationships

Communicating Research Results

Beyond the Basics in Basic Data Analysis

Testing Hypotheses With Glm Procedures

Introducing Multivariate Data Analysis

Multivariate Data Analysis: Analytics With Interdependence Techniques

Primer on Structural Equations Modeling

Filters