A research study wishes to examine the proportion of hypertensive individuals am

Question

A research study wishes to examine the proportion of hypertensive individuals among three different groups of exercises: marathon runners, yoga, and CrossFit. Of the 78 marathon runners, 14 are hypertensive. Of the 63 yoga practitioners, 6 are hypertensive. And there are 16 hypertensive subjects among the 54 CrossFit athletes. What type of test statistic do you need to run for this type of analysis? Select one: a. Chi-Square Test of Independence b. Chi-Square Goodness of Fit c. Z-test d. T-test e. F-test

Explanation / Answer

Option (e) is correct

We use F-test

because we have to check the variability among three different groups of exercises and F-test is useful for testing equality of variance

F test used to test the hypothesis of the equality of two population variances.

F-test is used for finding out whether there is any variance within the samples. F-test is the ratio of the variance of two samples.

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