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:

Interest-Rate Cost-Of-Funds

The cost incurred by financial institutions to raise funds that they can then lend to customers, influenced by prevailing interest rates.

Market Interest Rates

The prevailing rate at which borrowers and lenders agree to engage in transactions of debt securities in the financial markets.

Creative Destruction

A concept in economics which suggests that new innovations destroy old industries and methods, leading to new sectors and opportunities for growth.

Start-Up Firms

Newly established businesses often characterized by innovation, growth potential, and a scalable business model.