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

question 40

Essay

Use the Wilcoxon rank-sum test to test the claim that the two independent samples come from populations with
equal medians. Use the Wilcoxon rank-sum approach to test the claim that the sample student grade averages
at two colleges come from populations with the same median. The sample data is listed below. Use a 0.05 level
of significance, and assume that the samples were randomly selected. $$\begin{array} { | l l l l l l l l l l l l | } \hline \text { College A } & 3.2 & 4.0 & 2.4 & 2.6 & 2.0 & 1.8 & 1.3 & 0.0 & 0.5 & 1.4 & 2.9 \\\hline \text { College B } & 2.4 & 1.9 & 0.3 & 0.8 & 2.8 & 3.0 & 3.1 & 3.1 & 3.1 & 3.5 & 3.5 \\\hline\end{array}$$

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Definitions:

Amniotic Sac Ruptured

The breaking of the fluid-filled sac that surrounds the fetus in the uterus, commonly known as water breaking.

Stage 3 Of Childbirth

The phase after the baby is born in which the placenta and membranes are expelled from the uterus.

Umbilical Cord

A flexible cordlike structure containing blood vessels and connecting a fetus to the placenta during gestation.

Childbirth

The process of giving birth to a baby, involving labor and delivery.