MCQs Hypothesis Testing 2

1. The Spearman Rank-Correlation test requires that the

2. Which of the following test must be two-sided?

3. The non-parametric equivalent of an unpaired samples t-test is

4. The Wilcoxon Rank-Sum test used to compare

5. The Mann-Whitney U test is preferred to a t-test when

6. When using the sign test, if two scores are tied, then

7. When testing for randomness, we can use

8. Comparing the times-to-failure of radar transponders made by firms A, B, and C based on an airline’s sample experience with the three types of instruments one may use

9. The sign test is

10. Wilcoxon Rank-Sum test can be of

11. To perform a Runs test for randomness the data must be

12. Three brands of coffee are rated for taste on a scale of 1 to 10. Six persons are asked to rate each brand so that there is a total of 18 observations. The appropriate test to determine if three brand taste equally good is

13. The sign test assumes that the

14. The Runs test results in rejecting the null hypothesis of randomness when

15. The Wilcoxon Signed Rank test is used

16. In testing for the difference between two populations, it is possible to use

17. Which of the following test use Rank Sums

18. In a Wilcoxon Rank-Sum test

19. Which of the following tests is most likely assessing this null hypothesis: The number of violations per apartment in the population of all city apartments is binomially distributed with a probability of success in any one trial of $P=0.3$