The Mann-Whitney U test is preferred to a t-test when____________?

Related Mcqs:

Sampling Error decrease by _______ the sample size?

A. Increase B. Decrease C. Sampling D. Population...

Which of the following is a true statement for comparing the t distribution with standard normal ?

A. Greater the degree of freedom, the more the t-distribution resembles the standard normal distribution B. The Normal Curve is symmetrical whereas the t-distribution are slightly skewed. C. The proportion of area beyond a specific value of “t” is less than the proportion of normal curve D. Non of these...

If the conditional distribution of X1,X2,…..Xn given S=s, does not depends on θ, for any value of S=s the statistics S=s(X1,X2,…..Xn) is called______________?

A. Unbiased B. Sufficient C. Consistent D. Efficient...

__________ is the process of using sample information to reach?

A. Population B. Biased C. Unbiased D. Increase...

Comparing the times to failure of radar transponders made by firms A, B, and C based on an airline’s sample experience with the three types of instruments one may use____________?

A. Kolmogorov-Smirnor test B. Wilcoxon Rank-Sum test C. Spearman Rank Correlation test D. Kruskal-Wallis test...