Which of the following test must be two-sided ?

Related Mcqs:

1. 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

2. 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

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

   A. Divided into at least two classifications
   B. Divided into exactly two classifications
   C. Quantitative
   D. Qualitative

4. 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

5. 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

6. 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

7. The first and starting point in test Hypothesis is ______________?

   A. stating H1
   B. stating Ho
   C. L of significance
   D. Test statistics

8. When using the sign test, if two scores are tied, then_____________?

   A. We count them
   B. We discard them
   C. We depends upon the scores
   D. non of these

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

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

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