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A social scientist is interested in the relationship between divorce and general

ID: 3133336 • Letter: A

Question

A social scientist is interested in the relationship between divorce and general happiness. A sample of 1,212 individuals who reported their marital status as either "married" or "divorced" was selected and individuals in the two groups were asked to rate their general level of happiness (either "Not too happy" or "Pretty Happy/Very Happy").

The researcher wishes to test whether the proportion of married persons who are "Pretty Happy/Very Happy" is the same as that of divorced persons. Which of the following is the correct way to specify the hypotheses?

Explanation / Answer

As we simply want to know if they are the same/different, we use a two tailed test for proportion differences,

OPTION A: Ho: p1-p2 = 0, H1: p1-p2 =/= 0 [ANSWER, A]

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