The Non-Parametric Tests Discussed in Your Textbook (Wilcoxon Rank Sum

question 31

Short Answer

The non-parametric tests discussed in your textbook (Wilcoxon rank sum test, sign test, Wilcoxon signed rank sum test, Kruskal-Wallis test and Friedman test) all require that the probability distributions be: $\begin{array}{|l|l|}\hline A&\text {identical except with respect to location. }\\\hline B&\text {identical except with respect to spread (variance). }\\\hline C&\text {identical except with respect to shape (distribution). }\\\hline D&\text { different with respect to location, spread, and shape.}\\\hline \end{array}$

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Definitions:

Short Run

A period in economic analysis where at least one factor of production is fixed, limiting adjustments to changes in demand or supply.

Long Run

A period in economics sufficient for all markets to reach equilibrium, where all inputs and outputs can be varied by firms, not constrained by existing physical capital.

ATC

Average Total Cost; the total cost per unit of output incurred when producing goods or services.