In a Wilcoxon Signed Rank Sum Test for Matched Pairs

question 63

Short Answer

In a Wilcoxon signed rank sum test for matched pairs with n = 35, the rank sums of the positive and negative differences are 380 and 225, respectively. The value of the standardised test statistic z is: $\begin{array} { | l | l | } \hline \text { A. } & 1.689 . \\\hline \text { B. } & 1.065 . \\\hline \text { C. } & 1.206 . \\\hline \text { D. } & 1.400. \\\hline\end{array}$

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Definitions:

Teres Minor

A small muscle of the rotator cuff that assists in rotating the arm laterally and stabilizing the shoulder joint.

Lateral Rotation

The outward rotation of a limb or organ away from the midline of the body.

Medial Rotation

Medial rotation is a rotational movement toward the midline of the body, typically referring to a movement of the limbs.

Extension

To stretch out.