A test is said to be most powerful test of size α, if_______________?

Related Mcqs:

1. A set of jointly sufficient statistic is defined to be minimal sufficient if and only if_______________?

   A. It is a function of some other set of sufficient statistics.
   B. It is a function of every other set of sufficient
   C. It is a function of any sufficient statistics in the set.
   D. It is not a function of every other set of sufficient statistics.

2. The Mann-Whitney U test is preferred to a t-test when____________?

   A. Sample are dependent
   B. The assumption of normality is not met
   C. Sample sizes are small
   D. Data are paired

3. Which test is better than sign test?

   A. Wilcoxon signed rank test
   B. Wilcoxon rank sum test
   C. Mann Witney U test
   D. All the above

   Submitted by: Nimra Shaheen

4. The sign test assumes that the_______________?

   A. Samples are independent
   B. Samples have same mean
   C. Sample are dependent
   D. The Wilcoxon Signed Rank test is used

5. Three brands of coffee are rated for tasted 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 tasted equally good is_____________?

   A. One way analysis of variance (ANOVA)
   B. Spearman Rank difference
   C. Wilcoxon Rank-Sum test
   D. Kruskal-Wallis test

6. Wilcoxon Rank-Sum test can be of_______________?

   A. Lower tailed
   B. Upper tailed
   C. Either of the above
   D. None of the above

7. Which of the following test use Rank Sums____________?

   A. Kruskal-Wallis and Wilcoxon tests
   B. Runs test
   C. Chi-Square and sign test
   D. F test

8. Power of test is denoted by _______________?

   A. β
   B. α
   C. (1 – α )
   D. (1 – β)

9. The Wilcoxon, Rank-Sum test used to compares_______________?

   A. Any number of populations
   B. A sample mean to the population mean
   C. Two populations
   D. Three populations

10. An alternative non parametric test of ANOVA?

    A. Sign test
    B. Wilcoxon sign rank test
    C. Median test
    D. Kruskal Wallis test 

    Submitted by: Nimra Shaheen