A Researcher Obtained Independent Random Samples of Men and Women

question 6

Essay

A researcher obtained independent 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. Decide whether or not the conditions and assumptions for inference with the two-proportions z-test are satisfied. Explain your answer.

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Definitions:

Amount of Land

The quantity or measure of land available, often discussed in the context of its use for agriculture, development, conservation, or other purposes.

Variable

An element, feature, or factor that is liable to vary or change, often used in statistical or mathematical models to represent data or conditions.

Fertility

The natural capability to produce offspring; in human contexts, it often refers to the actual reproduction rates among a population.

Location

A specific place or position where something exists or occurs, often considered in geographical or spatial terms.