Question 1

The most commonly used technique for fitting a straight line to a scattergram is the least-squares procedure.

Accepted Answer

A) True 
 B)False

Question 2

The null hypothesis in bivariate regression is ________.

Accepted Answer

A)  Bᵧₓ = Bₓᵧ = rₓᵧ 
B)  B = Covₓᵧ / sₓ² 
C)  sₓ = xmₑₐn 
D)  a = xy 
E)  B₁ = 0 
A)  Bᵧₓ = Bₓᵧ = rₓᵧ 
B)  B = Covₓᵧ / sₓ² 
C)  sₓ = xmₑₐn 
D)  a = xy 
E)  B₁ = 0

Question 3

A procedure for deriving a mathematical relationship,in the form of an equation,between a single metric dependent variable and a single metric independent variable is called ________.

Accepted Answer

A)  univariate regression 
B)  bivariate regression 
C)  multivariate regression 
D)  parallel regression 
E)  pairwise regression 
A)  univariate regression 
B)  bivariate regression 
C)  multivariate regression 
D)  parallel regression 
E)  pairwise regression

Question 4

The best fitting line on a scattergram is called the ________.

Accepted Answer

A)  regression line 
B)  correlation coefficient 
C)  covariance 
D)  standard error 
E)  plumb line 
A)  regression line 
B)  correlation coefficient 
C)  covariance 
D)  standard error 
E)  plumb line

Question 5

In multiple regression,the strength of association is measured by the square of the multiple correlation coefficient,which is called the coefficient of multiple determination.

Accepted Answer

A) True 
 B)False

Question 6

In a short essay,discuss the characteristics and uses of a scatter diagram.Include a discussion of the least-squares procedure to support your answer.

Accepted Answer

A scatter diagram,or scattergram,is a pl

Question 7

All of the following are true EXCEPT:

Accepted Answer

A)  The product moment correlation is denoted by ρ. 
B)  The coefficient r is an estimator of ρ. 
C)  The calculation of r assumes X and Y are metric. 
D)  Data that use rating scales with a small number of categories will tend to under estimate ρ. 
E)  Data that use rating scales with a small number of categories will tend to over estimate ρ. 
A)  The product moment correlation is denoted by ρ. 
B)  The coefficient r is an estimator of ρ. 
C)  The calculation of r assumes X and Y are metric. 
D)  Data that use rating scales with a small number of categories will tend to under estimate ρ. 
E)  Data that use rating scales with a small number of categories will tend to over estimate ρ.

Question 8

The strength of association is measured by the coefficient of determination.

Accepted Answer

A) True 
 B)False

Question 9

In a short essay,discuss multiple regression and the multiple regression model.

Accepted Answer

Multiple regression is a statistical tec

Question 10

According to the text,a scatter diagram is also known as a ________.

Accepted Answer

A)  histogram 
B)  pictogram 
C)  scattergram 
D)  pie chart 
E)  box and whiskers diagram 
A)  histogram 
B)  pictogram 
C)  scattergram 
D)  pie chart 
E)  box and whiskers diagram

Question 11

Which of the following is NOT a step involved in conducting bivariate regression analysis?

Accepted Answer

A)  estimation of parameters 
B)  questionnaire development 
C)  significance testing 
D)  prediction accuracy 
E)  examination of residuals 
A)  estimation of parameters 
B)  questionnaire development 
C)  significance testing 
D)  prediction accuracy 
E)  examination of residuals

Question 12

Regression analysis is concerned with the nature and degree of association between variables and does not imply or assume any causality.

Accepted Answer

A) True 
 B)False

Question 13

Regression analysis is a statistical procedure for analyzing associative relationships between a metric dependent variable and one or more independent variables.

Accepted Answer

A) True 
 B)False

Question 14

According to the text,the ________ measures the linear association between two metric variables.

Accepted Answer

A)  regression analysis coefficient 
B)  covariance coefficient 
C)  analysis of variance coefficient 
D)  product moment correlation coefficient 
E)  F-statistic 
A)  regression analysis coefficient 
B)  covariance coefficient 
C)  analysis of variance coefficient 
D)  product moment correlation coefficient 
E)  F-statistic

Question 15

Multiple regression is a statistical technique that simultaneously develops a mathematical relationship between two or more independent variables and an interval-scaled dependent variable.

Accepted Answer

A) True 
 B)False

Question 16

A procedure for deriving a mathematical relationship,in the form of an equation,between a single metric dependent variable and a single metric independent variable is called univariate regression.

Accepted Answer

A) True 
 B)False

Question 17

The strength of association is measured by the ________.

Accepted Answer

A)  coefficient of determination 
B)  regression equation 
C)  correlation coefficient 
D)  F factor 
E)  F-statistic 
A)  coefficient of determination 
B)  regression equation 
C)  correlation coefficient 
D)  F factor 
E)  F-statistic

Question 18

When determining the correlation coefficient,r,it does matter which variable is considered to be the dependent variable and which the independent.

Accepted Answer

A) True 
 B)False

Question 19

The standardized regression coefficient is the slope obtained by the regression of y on x when the data are standardized.

Accepted Answer

A) True 
 B)False

Question 20

Both r and r² are symmetric measures of association.In other words,the correlation of X and Y is the same as the correlation of Y and X.

Accepted Answer

A) True 
 B)False

The most commonly used technique for fitting a straight line to a scattergram is the least-squares procedure.

The null hypothesis in bivariate regression is ________.

A procedure for deriving a mathematical relationship,in the form of an equation,between a single metric dependent variable and a single metric independent variable is called ________.

The best fitting line on a scattergram is called the ________.

In multiple regression,the strength of association is measured by the square of the multiple correlation coefficient,which is called the coefficient of multiple determination.

In a short essay,discuss the characteristics and uses of a scatter diagram.Include a discussion of the least-squares procedure to support your answer.

All of the following are true EXCEPT:

The strength of association is measured by the coefficient of determination.

In a short essay,discuss multiple regression and the multiple regression model.

According to the text,a scatter diagram is also known as a ________.

Which of the following is NOT a step involved in conducting bivariate regression analysis?

Regression analysis is concerned with the nature and degree of association between variables and does not imply or assume any causality.

Regression analysis is a statistical procedure for analyzing associative relationships between a metric dependent variable and one or more independent variables.

According to the text,the ________ measures the linear association between two metric variables.

Multiple regression is a statistical technique that simultaneously develops a mathematical relationship between two or more independent variables and an interval-scaled dependent variable.

A procedure for deriving a mathematical relationship,in the form of an equation,between a single metric dependent variable and a single metric independent variable is called univariate regression.

The strength of association is measured by the ________.

When determining the correlation coefficient,r,it does matter which variable is considered to be the dependent variable and which the independent.

The standardized regression coefficient is the slope obtained by the regression of y on x when the data are standardized.

Both r and r² are symmetric measures of association.In other words,the correlation of X and Y is the same as the correlation of Y and X.

Introduction to Marketing Research

Defining the Marketing Research Problem and Developing an Approach

Research Design

Exploratory Research Design: Secondary Data

Exploratory Research Design: Syndicated Sources of Secondary Data

Exploratory Research Design: Qualitative Research

Descriptive Research Design: Survey and Observation

Causal Research Design: Experimentation

Measurement and Scaling: Fundamentals and Comparative Scaling

Measurement and Scaling: Noncomparative Scaling Techniques

Questionnaire and Form Design

Sampling: Design and Procedures

Sampling: Final and Initial Sample Size Determination

Fieldwork: Data Collection

Data Preparation and Analysis Strategy

Frequency Distribution,hypothesis Testing,and Cross-Tabulation

Hypothesis Testing Related to Differences

Report Preparation and Presentation

Filters

Exam 18: Correlation and Regression

The most commonly used technique for fitting a straight line to a scattergram is the least-squares procedure.

The null hypothesis in bivariate regression is ________.

A procedure for deriving a mathematical relationship,in the form of an equation,between a single metric dependent variable and a single metric independent variable is called ________.

The best fitting line on a scattergram is called the ________.

In multiple regression,the strength of association is measured by the square of the multiple correlation coefficient,which is called the coefficient of multiple determination.

In a short essay,discuss the characteristics and uses of a scatter diagram.Include a discussion of the least-squares procedure to support your answer.

All of the following are true EXCEPT:

The strength of association is measured by the coefficient of determination.

In a short essay,discuss multiple regression and the multiple regression model.

According to the text,a scatter diagram is also known as a ________.

Which of the following is NOT a step involved in conducting bivariate regression analysis?

Regression analysis is concerned with the nature and degree of association between variables and does not imply or assume any causality.

Regression analysis is a statistical procedure for analyzing associative relationships between a metric dependent variable and one or more independent variables.

According to the text,the ________ measures the linear association between two metric variables.

Multiple regression is a statistical technique that simultaneously develops a mathematical relationship between two or more independent variables and an interval-scaled dependent variable.

A procedure for deriving a mathematical relationship,in the form of an equation,between a single metric dependent variable and a single metric independent variable is called univariate regression.

The strength of association is measured by the ________.

When determining the correlation coefficient,r,it does matter which variable is considered to be the dependent variable and which the independent.

The standardized regression coefficient is the slope obtained by the regression of y on x when the data are standardized.

Both r and r² are symmetric measures of association.In other words,the correlation of X and Y is the same as the correlation of Y and X.

Introduction to Marketing Research

Defining the Marketing Research Problem and Developing an Approach

Research Design

Exploratory Research Design: Secondary Data

Exploratory Research Design: Syndicated Sources of Secondary Data

Exploratory Research Design: Qualitative Research

Descriptive Research Design: Survey and Observation

Causal Research Design: Experimentation

Measurement and Scaling: Fundamentals and Comparative Scaling

Measurement and Scaling: Noncomparative Scaling Techniques

Questionnaire and Form Design

Sampling: Design and Procedures

Sampling: Final and Initial Sample Size Determination

Fieldwork: Data Collection

Data Preparation and Analysis Strategy

Frequency Distribution,hypothesis Testing,and Cross-Tabulation

Hypothesis Testing Related to Differences

Report Preparation and Presentation

Filters