A Standard Aptitude Test Is Given to Several Randomly Selected

question 101

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

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Definitions:

Largest Artery

The largest artery in the human body is the aorta, which carries oxygenated blood from the heart to the rest of the body.

Aorta

The largest artery in the body, originating from the left ventricle of the heart and extending down to the abdomen, distributing oxygenated blood to all parts of the body.

Right Ventricle

The lower right chamber of the heart that receives deoxygenated blood from the right atrium and pumps it to the lungs for oxygenation.

Metarterioles

Small blood vessels that function as intermediaries between arterioles and capillaries, controlling blood flow into capillary beds with precapillary sphincters.