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 is the critical value for the test statistic? (e.g. what number are you hoping to beat in order to show a significant finding) Select one: a. 1.96 b. 1.65 c. 5.99 d. 4.83

Explanation / Answer

applyng chi square test of homogeneity:

degree of freedom =(row-1)*(columns-1)=(2-1)*(3-1)=2

for 0.05 level and 2 degree of freedom crtiical vlaue of chi square =5.991

option C is crrect

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