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At a local college, 65 female students were randomly selected and it was found that their...

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Statistics

At a local college, 65 female students were randomly selectedand it was found that their mean monthly income
was $609. Seventy-five male students were also randomly selectedand their mean monthly income was found to
be $651. Test the claim that male students have a higher monthlyincome than female students. Assume the
population standard deviation for the females is $121.50 and forthe males $131. Use α = 0.01

Answer & Explanation Solved by verified expert
3.8 Ratings (760 Votes)
Given that meanx651 standard deviation 1 131 numbern175 ymean609 standard deviation 2 1215 numbern265 null Ho u1 u2 alternate H1 1 u2 level of significance 001    See Answer
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