Question 1

Compare and contrast correlation,covariance,and causation.

Accepted Answer

Concomitant variation is one condition n

Question 2

In the regression equation,Y = a + b X ,b is the:

Accepted Answer

A) y-intercept 
B) independent variable 
C) slope of the regression line 
D) dependent variable 
A) y-intercept 
B) independent variable 
C) slope of the regression line 
D) dependent variable

Question 3

The statistical significance of a regression model is determined by a c² test.

Accepted Answer

A) True 
 B)False

Question 4

Covariation in which the association between variables is in the opposite direction indicates a(n)____________________.

Accepted Answer

negative (inverse)re

Question 5

The square of the correlation coefficient is called the ____________________.

Accepted Answer

coefficien

Question 6

The extent to which a change in one variable corresponds systematically to a change in another is called:

Accepted Answer

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

Question 7

The Pearson product-moment correlation coefficient ranges between ____________________ and ____________________.

Accepted Answer

The answer of The Pearson product-moment correlation coefficient ranges between...

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

The Pearson product-moment correlation coefficient ranges between:

Accepted Answer

A) zero and +1.0 
B) -1.0 and zero 
C) -1.0 and +1.0 
D) -2.0 and +2.0 
A) zero and +1.0 
B) -1.0 and zero 
C) -1.0 and +1.0 
D) -2.0 and +2.0

Question 10

The Pearson product-moment correlation requires what type of scale for the data?

Accepted Answer

A) nominal 
B) interval 
C) ordinal 
D) all of the above 
A) nominal 
B) interval 
C) ordinal 
D) all of the above

Question 11

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

Accepted Answer

A) 52 percent 
B) 72 percent 
C) 85 percent 
D) 28 percent 
A) 52 percent 
B) 72 percent 
C) 85 percent 
D) 28 percent

Question 12

A Spearman correlation is more appropriate for interval and ratio data than is the Pearson product-moment correlation.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

The answer of The extent to which a change in...

Question 14

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 15

The statistical significance of a correlation can be tested using the t-test.

Accepted Answer

A) True 
 B)False

Question 16

Lance is studying the relationship between sales training of the sales force and customer satisfaction and loyalty.When researchers like Lance are focused on explanation rather than prediction,then which of the following is most appropriate when using simple regression?

Accepted Answer

A) standardized regression coefficient (β
) 
B) Y-intercept α 
C) χ² 
D) raw parameter estimates 
A) standardized regression coefficient (β
) 
B) Y-intercept α 
C) χ² 
D) raw parameter estimates

Question 17

The standard format for reporting the correlations between several variables is called the ____________________.

Accepted Answer

The answer of The standard format for reporting the correlations...

Question 18

The square of the correlation coefficient indicates the part of the total variance of Y that can be accounted for by X.

Accepted Answer

A) True 
 B)False

Question 19

Explain how regression differs from correlation.

Accepted Answer

Regression analysis is a technique for m

Question 20

Price is frequently used as an independent variable in marketing research.

Accepted Answer

A) True 
 B)False

Exam 23: Bivariate Statistical Analysis: Measures of Association

Compare and contrast correlation,covariance,and causation.

In the regression equation,Y = a + b X ,b is the:

The statistical significance of a regression model is determined by a c² test.

Covariation in which the association between variables is in the opposite direction indicates a(n)____________________.

The square of the correlation coefficient is called the ____________________.

The extent to which a change in one variable corresponds systematically to a change in another is called:

The Pearson product-moment correlation coefficient ranges between ____________________ and ____________________.

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

The Pearson product-moment correlation coefficient ranges between:

The Pearson product-moment correlation requires what type of scale for the data?

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

A Spearman correlation is more appropriate for interval and ratio data than is the Pearson product-moment correlation.

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

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?

The statistical significance of a correlation can be tested using the t-test.

Lance is studying the relationship between sales training of the sales force and customer satisfaction and loyalty.When researchers like Lance are focused on explanation rather than prediction,then which of the following is most appropriate when using simple regression?

The standard format for reporting the correlations between several variables is called the ____________________.

The square of the correlation coefficient indicates the part of the total variance of Y that can be accounted for by X.

Explain how regression differs from correlation.

Price is frequently used as an independent variable in marketing research.

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: Differences Between Two Variables

Introducing Multivariate Statistical Analysis

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

Filters

The Pearson product-moment correlation coefficient ranges between and .