A Standard Aptitude Test Is Given to Several Randomly Selected

question 90

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

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Definitions:

Health Maintenance Organizations

A type of health insurance plan that provides comprehensive healthcare services to enrolled members for a fixed, prepaid fee.

Preferred Provider Organizations

Health insurance plans that offer members lower copayments if they use doctors, hospitals, and other healthcare providers that belong to the plan's network.

Deductible

A specific amount of money that an insured individual must pay before an insurance company pays a claim, commonly used in health, auto, and home insurance policies.

Coinsurance

A form of insurance coverage in which the insured party and the insurer share the costs of covered healthcare services according to a predetermined percentage.