Use the Wilcoxon Rank-Sum Test to Test the Claim That

question 88

Essay

Use the Wilcoxon rank-sum test to test the claim that the two independent samples come from_
populations with equal medians. SAT scores for students selected randomly from two different
schools are shown below. Use a significance level of 0.05 to test the claim that the scores for
the two schools are from populations with the same median. $$\begin{array} { c c c | c c c } & { \text { School A } } & & { \text { School B } } \\\hline 550 & 480 & 670 & 460 & 580 & 620 \\400 & 700 & 520 & 380 & 680 & 570 \\540 & 740 & 560 & 660 & 500 & 480 \\360 & 560 & 650 & 600 & 550 &\end{array}$$

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Definitions:

East Africa

A region in Africa that includes countries like Kenya, Tanzania, and Uganda, known for its diverse cultures, languages, and landscapes.

Breast-feed

The act of feeding a baby with milk directly from the breast, providing essential nutrients and antibodies.

Birth Weight

The weight of a baby at the moment of its birth, an important indicator of neonatal health and development.

Months

Units of time, typically used in calendars, that approximately correspond to the period of the lunar cycle.