State whether each situation has independent or paired (dependent) samples. a. A

Question

State whether each situation has independent or paired (dependent) samples. a. A researcher wants to know whether men and women at a particular factory have different mean salaries. She gathers two random samples (one of salaries from 80 men and the other from 80 women.) A researcher wants to know whether husbands and wives have different mean salaries. He collects a sample of husbands and wives and has each person report his or her salary. Choose the correct answer below. Independent samples Paired (dependent) samples Choose the correct answer below. Independent samples Paired (dependent) samples

Explanation / Answer

a)

INDEPENDENT SAMPLES.

They are not naturally paired. Each man has no corresponding natural pair to a woman in the other sample.

[They would be paired, if, say, the women are the wives of the men, but it is not stated.]

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b)

PAIRED (DEPENDENT) SAMPLES.

For the same reason as above.

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