Question 1

The coefficient of determination is used in correlation analysis.

Accepted Answer

A) True 
 B)False

Question 2

___________ are statistical methods of analyzing the relationship between two variables.

Accepted Answer

A)  Bivariate techniques
B)  Univariate techniques
C)  Multivariate techniques
D)  None of theseE) A) and D)
F) A) and B)

Question 3

Bivariate statistical techniques are often used to establish cause and effect relationships between two or more variables.

Accepted Answer

A) True 
 B)False

Question 4

_______________ refers to analysis is one of strength of the linear relationship between two variables when one is considered the independent variable and the other the dependent variable

Accepted Answer

A)  Multivariate regression
B)  Univariate regression
C)  Bivariate regression
D)  Trivariate regression
E)  None of theseF) A) and D)
G) D) and E)

Question 5

In a regression equation,sales would typically be the ______________ variable.

Accepted Answer

A)  independent
B)  coefficient
C)  dependent
D)  none of theseE) A) and C)
F) B) and C)

Question 6

What is the variation not explained by the regression?

Accepted Answer

A)  Sum of squares due to regression
B)  Error sum of squares
C)  Neither sum of squares due to regression or Error sum of squares
D)  Both Sum of squares due to regression and Error sum of squaresE) All of the above
F) B) and D)

Question 7

Which of the following techniques requires that both variables are ratio or interval data?

Accepted Answer

A)  bivariate regression
B)  ANOVA
C)  t test
D)  Pearson's product-moment correlation
E)  All are appropriate.F) C) and D)
G) D) and E)

Question 8

Given the Correlation Matrix below, to answer the following questions :

Assume that respondents answered the questions with ratio scale responses.   
-Which of the relationships in the matrix is the strongest?

Accepted Answer

The strongest relationship is between AG...

Question 9

Given the Correlation Matrix below,  to answer the following questions

Assume that respondents answered the questions with ratio scale responses.   
-How many pairs of responses were in this correlation analysis? ________

Accepted Answer

The results in the matrix indi...

Question 10

Accepted Answer

A)  perfect linear association
B)  strong exponential association
C)  strong parabolic association
D)  no association
E)  strong curvilinear associationF) A) and B)
G) A) and E)

Question 11

The percentage of total variation in the dependent variable that is described by the independent variable is expressed by_________.

Accepted Answer

A)  coefficient of determination
B)  correlation coefficient
C)  coefficient of covariation
D)  regression coefficient
E)  none of theseF) A) and B)
G) All of the above

Question 12

The least squares estimation procedure often results in a perfectly straight line.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is the appropriate technique for correlation analysis,which involves metric (interval or ratio) data?

Accepted Answer

A)  Spearman's rank-order correlation
B)  Jensen's analysis of covariance
C)  Kendall's coefficient of concordance
D)  Pearson's product-moment correlation
E)  Edward's metric analysisF) All of the above
G) A) and C)

Question 14

The R² statistic ranges from -1 to 1.

Accepted Answer

A) True 
 B)False

Question 15

If you are studying the impact of training on salesperson performance as indicated on an exam taken by salespersons at the end of training,salesperson sales would be the ____________ variable,and the salesperson exam score would be the _____________ variable.

Accepted Answer

A)  criterion, predictor
B)  covariate, independent
C)  independent, predictor
D)  dependent, independent
E)  covariate, dependentF) C) and D)
G) B) and D)

Question 16

The explained variation by the regression is referred to as the:

Accepted Answer

A)  total variation.
B)  bivariate.
C)  sum of squares due to regression .
D)  none of theseE) C) and D)
F) B) and C)

Question 17

One way to study the relationship between the dependent and independent variable is to plot the data in a scatter diagram.

Accepted Answer

A) True 
 B)False

Question 18

In bivariate regression,both the independent and dependent variables are measured in the form of nominal and/or ordinal data.

Accepted Answer

A) True 
 B)False

Question 19

A perfect correlation indicates that two variables are causally related.

Accepted Answer

A) True 
 B)False

Question 20

Interpret the correlation coefficient for the following data:

Accepted Answer

There is a strong positive cor...

Exam 17: Bivariate Correlation and Regression

_______________ refers to analysis is one of strength of the linear relationship between two variables when one is considered the independent variable and the other the dependent variable

Correct Answer
verified

A perfect correlation indicates that two variables are causally related.

Correct Answer
verified

Given the Correlation Matrix below, to answer the following questions Assume that respondents answered the questions with ratio scale responses. -How many pairs of responses were in this correlation analysis? ________

Correct Answer
verified
The results in the matrix indi...
View Answer

Given the Correlation Matrix below, to answer the following questions : Assume that respondents answered the questions with ratio scale responses. -Which of the relationships in the matrix is the strongest?

Correct Answer
verified
The strongest relationship is between AG...
View Answer

Which of the following is the appropriate technique for correlation analysis,which involves metric (interval or ratio) data?

Correct Answer
verified

One way to study the relationship between the dependent and independent variable is to plot the data in a scatter diagram.

Correct Answer
verified

The R² statistic ranges from -1 to 1.

Correct Answer
verified

Interpret the correlation coefficient for the following data:

Correct Answer
verified
There is a strong positive cor...
View Answer

The percentage of total variation in the dependent variable that is described by the independent variable is expressed by_________.

Correct Answer
verified

If you are studying the impact of training on salesperson performance as indicated on an exam taken by salespersons at the end of training,salesperson sales would be the variable,and the salesperson exam score would be the _ variable.

Correct Answer
verified

___________ are statistical methods of analyzing the relationship between two variables.

Correct Answer
verified

Which of the following techniques requires that both variables are ratio or interval data?

Correct Answer
verified

In a regression equation,sales would typically be the ______________ variable.

Correct Answer
verified

What is the variation not explained by the regression?

Correct Answer
verified

Bivariate statistical techniques are often used to establish cause and effect relationships between two or more variables.

Correct Answer
verified

In bivariate regression,both the independent and dependent variables are measured in the form of nominal and/or ordinal data.

Correct Answer
verified

Correct Answer
verified

The least squares estimation procedure often results in a perfectly straight line.

Correct Answer
verified

The coefficient of determination is used in correlation analysis.

Correct Answer
verified

The explained variation by the regression is referred to as the:

Correct Answer
verified

Exam 17: Bivariate Correlation and Regression

_______________ refers to analysis is one of strength of the linear relationship between two variables when one is considered the independent variable and the other the dependent variable

Correct AnswerverifiedShow Answer

A perfect correlation indicates that two variables are causally related.

Correct AnswerverifiedShow Answer

Given the Correlation Matrix below, to answer the following questions Assume that respondents answered the questions with ratio scale responses. -How many pairs of responses were in this correlation analysis? ________

Correct AnswerverifiedThe results in the matrix indi...View AnswerShow Answer

Given the Correlation Matrix below, to answer the following questions : Assume that respondents answered the questions with ratio scale responses. -Which of the relationships in the matrix is the strongest?

Correct AnswerverifiedThe strongest relationship is between AG...View AnswerShow Answer

Which of the following is the appropriate technique for correlation analysis,which involves metric (interval or ratio) data?

Correct AnswerverifiedShow Answer

One way to study the relationship between the dependent and independent variable is to plot the data in a scatter diagram.

Correct AnswerverifiedShow Answer

The R² statistic ranges from -1 to 1.

Correct AnswerverifiedShow Answer

Interpret the correlation coefficient for the following data:

Correct AnswerverifiedThere is a strong positive cor...View AnswerShow Answer

The percentage of total variation in the dependent variable that is described by the independent variable is expressed by_________.

Correct AnswerverifiedShow Answer

If you are studying the impact of training on salesperson performance as indicated on an exam taken by salespersons at the end of training,salesperson sales would be the ____________ variable,and the salesperson exam score would be the _____________ variable.

Correct AnswerverifiedShow Answer

___________ are statistical methods of analyzing the relationship between two variables.

Correct AnswerverifiedShow Answer

Which of the following techniques requires that both variables are ratio or interval data?

Correct AnswerverifiedShow Answer

In a regression equation,sales would typically be the ______________ variable.

Correct AnswerverifiedShow Answer

What is the variation not explained by the regression?

Correct AnswerverifiedShow Answer

Bivariate statistical techniques are often used to establish cause and effect relationships between two or more variables.

Correct AnswerverifiedShow Answer

In bivariate regression,both the independent and dependent variables are measured in the form of nominal and/or ordinal data.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The least squares estimation procedure often results in a perfectly straight line.

Correct AnswerverifiedShow Answer

The coefficient of determination is used in correlation analysis.

Correct AnswerverifiedShow Answer

The explained variation by the regression is referred to as the:

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The results in the matrix indi...
View Answer

Correct Answer
verified
The strongest relationship is between AG...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
There is a strong positive cor...
View Answer

Correct Answer
verified

If you are studying the impact of training on salesperson performance as indicated on an exam taken by salespersons at the end of training,salesperson sales would be the variable,and the salesperson exam score would be the _ variable.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
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