The Nonparametric Tests Like the Sign Test,the Wilcoxon Rank Sum

Multiple Choice

The nonparametric tests like the Sign test,the Wilcoxon rank sum test,the Mann-Whitney test,and the Wilcoxon signed rank test require that the probability distributions be:

A) identical except with respect to location.
B) identical except with respect to spread (variance) .
C) identical except with respect to shape (distribution) .
D) different with respect to location,spread,and shape.