A. Any number of populations
B. A sample mean to the population mean
C. Two populations
D. Three populations
Related Mcqs:
- Wilcoxon Rank-Sum test can be of_______________?
A. Lower tailed
B. Upper tailed
C. Either of the above
D. None of the above - 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 - 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 - 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 - 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 - 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 - 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 aboveSubmitted by: Nimra Shaheen
- The sum of squared deviations of a set of n values from their mean is__________________?
A. Zero
B. Maximum
C. Least
D. None - The sum of powers of deviation from mean is zero is called __________?
A. Mean
B. Lack
C. Normal
D. Skewed - The sum of deviations of observations is zero, when deviations are taken from __________?
A. Mean
B. Median
C. Mode
D. None of these
