Best Correlation and Regression Quiz 2

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The post is about the Correlation and Regression Quiz. There are 20 multiple-choice questions. The quiz covers the topics related to correlation analysis and regression analysis, Basic concepts, assumptions, and violations of correlation and regression analysis, Model selection criteria, interpretation of correlation and regression coefficients, etc.

Online MCQs about Correlation and Regression Analysis with Answers

1. The percent of the total variation of the dependent variable $Y$ explained by the set of independent variables $X$ is measured by

 
 
 
 
 

2. For the regression $\hat{Y}=5$, the value of regression coefficient of $Y$ on $X$ will be

 
 
 
 

3. A residual is defined as

 
 
 
 

4. If “time” is used as the independent variable in a simple linear regression analysis, then which of the following assumptions could be violated

 
 
 
 

5. If one regression coefficient is greater than one then the other will be

 
 
 
 

6. In the straight line graph of the linear equation $Y=a+bX$, the slope will be downward if

 
 
 
 

7. The strength (degree) of the correlation between a set of independent variables $X$ and a dependent variable $Y$ is measured by

 
 
 
 

8. Multicollinearity exists when

 
 
 
 

9. To determine the height of a person when his weight is given is

 
 
 
 

10. In multiple regression, when the global test of significance is rejected, we can conclude that

 
 
 
 

11. If the value of any regression coefficient is zero, then two variables are said to be

 
 
 
 

12. In the straight line graph of the linear equation $Y=a+bX$, the slope will be upward if

 
 
 
 

13. In the straight line graph of the linear equation $Y=a+BX$, the slope is horizontal if

 
 
 
 

14. A coefficient of correlation is computed to be -0.95 means that

 
 
 
 

15. What test statistic is used for a global test of significance?

 
 
 
 

16. The relationship between the correlation coefficient and the coefficient of determination is that

 
 
 
 

17. Let the coefficient of determination computed to be 0.39 in a problem involving one independent variable and one dependent variable. This result means that

 
 
 
 

18. The dependent variable is also called

 
 
 
 

19. If $\beta_{yx} = -1.36$ and $\beta_{xy} = -0.34$ then $r_{xy} =$

 
 
 
 

20. The dependent variable is also called

 
 
 
 

Online Correlation and Regression Quiz with Answers

Correlation and Regression Quiz with Answers
  • The strength (degree) of the correlation between a set of independent variables $X$ and a dependent variable $Y$ is measured by
  • The percent of the total variation of the dependent variable $Y$ explained by the set of independent variables $X$ is measured by
  • A coefficient of correlation is computed to be -0.95 means that
  • Let the coefficient of determination computed to be 0.39 in a problem involving one independent variable and one dependent variable. This result means that
  • The relationship between the correlation coefficient and the coefficient of determination is that
  • Multicollinearity exists when
  • If “time” is used as the independent variable in a simple linear regression analysis, then which of the following assumptions could be violated
  • In multiple regression, when the global test of significance is rejected, we can conclude that
  • A residual is defined as
  • What test statistic is used for a global test of significance?
  • If the value of any regression coefficient is zero, then two variables are said to be
  • In the straight line graph of the linear equation $Y=a+bX$, the slope will be upward if
  • In the straight line graph of the linear equation $Y=a+bX$, the slope will be downward if
  • In the straight line graph of the linear equation $Y=a+BX$, the slope is horizontal if
  • For the regression $\hat{Y}=5$, the value of regression coefficient of $Y$ on $X$ will be
  • If $\beta_{yx} = -1.36$ and $\beta_{xy} = -0.34$ then $r_{xy} =$
  • If one regression coefficient is greater than one then the other will be
  • To determine the height of a person when his weight is given is
  • The dependent variable is also called
  • The dependent variable is also called
Correlation and Regression Quiz with Answers

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