Use the Wilcoxon Signed-Ranks Test and the Sample Data Below

question 1

Essay

Use the Wilcoxon signed-ranks test and the sample data below. At the 0.05 significance level, test the claim that math and verbal scores are the same. $$\begin{array} { l l l l l l l l l l } \text { Mathematics} &347 & 440 & 327 & 456 & 427 & 349 & 377 & 398 & 425 \\\hline \text { Verbal } & 285 & 378 & 243 & 371 & 340 & 271 & 294 & 322 & 385\end{array}$$

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Definitions:

Mental Ability

The capacity to perform cognitive tasks, reason, solve problems, and adapt to new situations.

Understand Obligations

Recognizing and comprehending the duties and responsibilities that are part of an agreement or contract.

Capacity

The legal ability or competency of a person or entity to enter into binding contracts or perform certain acts.

Illegal Clause

A provision in a contract that is prohibited by law and therefore unenforceable.