The Wilcoxon, Rank-Sum test used to compares_______________?

Related Mcqs:

1. Wilcoxon Rank-Sum test can be of_______________?

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

2. In a Wilcoxon Rank-Sum test__________________?

   A. Ties within one sample may affect the decision B. Ties always affect the decision C. Ties never affect the decision D. Ties between the two sample may affect the decision...

3. The Spearman Rank-Correlation test requires that the______________?

   A. Data must be measured on the same scale B. Data should be of ordinal scale at least C. Data must be distribution at least approximately as a t-distribution D. Data must be from two independent samples...

4. 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...

5. 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...

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

   A. Among all other test of size α or less it has the largest power B. Among all other test of size α or greater it has the largest 1 – α C. Among all other test of size α or greater it has the smallest power D. Among all other test of size α...

7. 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...

8. The sum of squared deviations of a set of n values from their mean is__________________?

   A. Zero B. Maximum C. Least D. None...

9. The sum of powers of deviation from mean is zero is called __________?

   A. Mean B. Lack C. Normal D. Skewed...

10. The sum of deviations of observations is zero, when deviations are taken from __________?

    A. Mean B. Median C. Mode D. None of these...