A Standard Aptitude Test Is Given to Several Randomly Selected

question 54

Essay

A standard aptitude test is given to several randomly selected programmers, and the scores are given below for the mathematics and verbal portions of the test. Use the sign test to test the claim that programmers do better on the mathematics portion of the test. Use a 0.05 level of significance. $$\begin{array} { l l l l l l l l l l l } \hline \text { Mathematics } &347& 440 & 327 & 456 & 427 & 349 & 377 & 398 & 425 \\\hline \text { Verbal } & 285 & 378 & 243 & 371 & 340 & 271 & 294 & 322 & 385\end{array}$$

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Definitions:

Prospect

A potential customer or client who might be interested in a company's product or service.

Compliment

An expression of praise, admiration, or congratulation towards someone, often used as a social or professional courtesy.

Shower Enclosure

A structure that surrounds a shower area to contain water spray, usually made from glass, plastic, or tiles.

Order

A request by a customer to purchase goods or services from a seller, often formalized through a document or online process.