MCQs Hypothesis Testing 2

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

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

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

4. The sign test is

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

6. 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 $P=0.3$

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

8. In a Wilcoxon Rank-Sum test

9. The sign test assumes that the

10. The Wilcoxon Signed Rank test is used

11. Wilcoxon Rank-Sum test can be of

12. When testing for randomness, we can use

13. The Wilcoxon Rank-Sum test used to compare

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

15. 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

16. Which of the following test use Rank Sums

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

18. 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

19. The Spearman Rank-Correlation test requires that the