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

question 5

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. $\begin{array} { l } \text { College A}&3.2&4.0&2.4&2.6&2.0&1.8&1.3&0.0&0.5&1.4&2.9\\ \text {College B }&2.4&1.9&0.3&0.8&2.8&3.0&3.1&3.1&3.1&3.5&3.5\\\end{array}$

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Definitions:

Agonist

A substance that binds to a receptor and activates it, often mimicking the action of a naturally occurring substance.

Antagonist

A substance that impedes or counteracts the action of another, especially a muscle that opposes the action of another muscle.

Synaptic Knob

The part of a neuron that releases neurotransmitters to transmit signals to another neuron or muscle cell.

Neuromuscular Junction

The synapse or junction where a motor neuron transmits a signal to a muscle fiber causing it to contract.