Which of the following test use Rank Sums____________?

Related Mcqs:

1. 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

2. Wilcoxon Rank-Sum test can be of_______________?

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

3. 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

4. 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

5. 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 or greater it has the largest β

6. 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

7. 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

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

   A. Sign test
   B. Wilcoxon Signed Rank
   C. Kruskal-Wallis
   D. Runs test

9. Which of the following test is most likely assessing this null hypothesis: Ho 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 dd ?

   A. The Mann-Whitney test
   B. The Kruskal-Wallis test
   C. The Wilcoxon Signed Rank test
   D. The Kolmogorove-Simirnor test

10. The critical value of a test statistic is determined from_____________?

    A. The sampling distribution of the statistics assuming Null Hypothesis
    B. calculations based on many actual repetitions of the same Experiment
    C. The sampling distribution of the statistic assuming Alternative Hypothesis.
    D. Non of these