A Standard Aptitude Test Is Given to Several Randomly Selected $$\text { Mathematics } \begin{array} { l l l l l l l l l } 347 & 440 & 327 & 456 & 427 & 349 & 377 & 398 & 425\end{array}$$

question 120

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. $$\text { Mathematics } \begin{array} { l l l l l l l l l } 347 & 440 & 327 & 456 & 427 & 349 & 377 & 398 & 425\end{array}$$$$\text { verbal } \begin{array} { l l l l l l l l l } 285&378&243&371&340&271&294&322&385&\end{array}$$

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Definitions:

Invested Assets

Assets that are purchased or acquired for long-term income potential or to benefit the business operations.

Investment Turnover

A measure of the efficiency with which a company uses its assets to generate sales or revenue, calculated as sales divided by invested assets.

Income From Operations

This refers to the earnings generated from a company's normal business operations, excluding extraordinary items and expenses like taxes and interest payments.

Invested Assets

Assets that have been allocated to investments, such as stocks, bonds, or real estate, with the expectation of earning a return.