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A test designed to measure level of anxiety was administered to a sample of male

ID: 3382488 • Letter: A

Question

A test designed to measure level of anxiety was administered to a sample of male and a sample of female patients just prior to undergoing the same surgical procedure. The sample sizes and the variances computed from the scores were as follows: Males: n=16, s2 = 150 Females n=21 s2 = 275 Do these data provide sufficient evidence to indicate that in the represented populations the scores made by females are more variable than those made by males? Perform a test of hypothesis at the 5% level (=.05) using the F-statistic.

Explanation / Answer

A test designed to measure level of anxiety was administered to a sample of male

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