Home > Statistics 101 > Quizzes > Statistics Practice Test Questions: Correlation and Regression
Statistics Practice Test Questions: Correlation and Regression
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 0% Most missed: “The coefficient of correlation____________”
Statistics Practice Test Questions: Correlation and Regression
Time left 00:00
25 Questions

1. Which of the following is most likely to be an inverse relationship?__________
2. Which of the following is true if the estimating equation has to be a perfect estimator of the dependent variable?______________
3. The coefficient of correlation____________
4. The ratio of the average deviations is called__________
5. In a regression analysis if r 2 = 1, then ___________
6. In a regression analysis if SSE = 200 and SSR = 300, then the coefficient of determination is ___________
7. Regression analysis was applied between $ sales (y) and $ advertising (x) across all the branches of a major international corporation. The following regression function was obtaine d) ! = 5000 + 7.25x If the advertising budgets of two branches of the corporation differ by $30,000, then what will be the predicted difference in their sales? __________
8. In the case of an algebraic model for a straight line, if a value for the x variable is specified, then________
9. When the two regression line coincide, then r is_________
10. When a multiple correlation coefficient r 1.2=1, then it shows __________
11. In a regression and correlation analysis if r 2 = 1, then ___________
12. Perfect correlation is one Perfect correlation is one in which_________
13. Which of the following point is not related with the utility of correlation?________
14. What will be the range of r when we find that the dependent variable increases as the independent variable increases?__________
15. Statistics branches include__________
16. The data are the same as for question 4 above. The relationship between number of beers consumed (x) and blood alcohol content (y) was studied in 16 male college students by using least squares regression. The following regression equation was obtained from this study: != -0.0127 + 0.0180x Suppose that the legal limit to drive is a blood alcohol content of 0.08. If Ricky consumed 5 beers the model would predict that he would be____________
17. When a multiple correlation coefficient R 1.23 =1 , then R 2.13 is________
18. Which of the following is the highest range of r?__________
19. The variables whose calculation is done according to the weight, height and length and weight are known as__________
20. Which is a method of measuring correlation?________
21. If two variables, x and y, have a very strong linear relationship, then ____________
22. A scatter diagram is________
23. If the coefficient of determination is a positive value, then the regression equation__________
24. SSE can never be _____________
25. Which of the following is not cause of the correlation?____________