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

question 114

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.

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Net Earnings

The amount of income left after deducting all expenses, taxes, and costs from gross revenue.

Continuous Future

A futures contract that amalgamates several expiry contracts to create a continuous, extended trading period for investors.

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