A Researcher Obtained Independent Simple Random Samples of Men and Women

question 38

Essay

A researcher obtained independent simple random samples of men and women between the ages of 20 and 29. She finds that 35 of 410 men and 59 of 398 women suffered from insomnia at least once a week during the past year. Are the requirements for inference with the two-proportions z-test satisfied? Explain your answer.

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Definitions:

Equity

The value of an ownership interest in property, including shareholders' equity in a corporation, which represents the residual value to shareholders after debts and liabilities have been settled.

Startups

Early-stage companies often characterized by their high growth potential and innovative business models or technologies.

Investment

The allocation of resources, usually money, in the expectation of generating income or profit.

Rule Of Thumb

A practical and general principle applied to approximate or make judgments without the need for precise calculations.