An alternative non parametric test of ANOVA?

Related Mcqs:

1. Analysis of Variance (ANOVA) is a test for equally of______________?

   A. Variances
   B. Proportions
   C. Only two parameters
   D. Means

2. The non parametric equivalent of an unpaired samples t-test____________?

   A. Kruskal Wallis Test
   B. Mann-Whitney U test
   C. Wilcoxon signed rank test
   D. Sign test

3. We use non parametric tests when the data is_________?

   A. Qualitative
   B. Ranked
   C. Both a and b
   D. None of these

   Submitted by: Nimra Shaheen

4. Herbicide A has been used for years in order to kill a particular type of weed. An experiment is to be conducted in order to see whether a new herbicide, Herbicide B, is more effective than Herbicide A. Herbicide A will continue to be used unless there is sufficient evidence that Herbicide B is more effective. The alternative hypothesis in this problem is_____________?

   A. Herbicide A is more effective than Herbicide B
   B. Herbicide A is not more effective than Herbicide B
   C. Herbicide B is more effective than Herbicide A
   D. Herbicide B is not more effective than Herbicide A

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 or greater it has the largest β

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. 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

9. Power of test is denoted by _______________?

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

10. 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