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
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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...
- 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 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...
- 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...
- In correlation, both variables are______________?
- A. Random B. Fixed C. Non-random D. Experimental...
- Correlation is _____________ of regression coefficients?
- A. A.M. B. G.M. C. M.D. D. H.M....
- Correlation coefficient is _________ of origin and unit of measurement?
- A. Origin B. Dependence C. Independence D. None...
- Correlation coefficient is ___________ with respect to x and y?
- A. +vely B. Non-normal C. Symmetrical D. Skewed...
- If x and y are Independent to each other the coefficient of correlation is _____________?
- A. -1 B. +1 C. .6 D. 0...
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