A random sample of 722 college freshman found that 231 bought most of their textbooks from the college's bookstore. A random sample of 536 college seniors found that 181 bought their textbooks from the college's bookstore. You wish to test the claim that the proportion of all freshman that purchase most of their textbooks from the college's bookstore is less than the proportion of all seniors at a significance level of α=0.05α=0.05. Round answers to 4 decimal places. Assume the freshman are group one and seniors are group two. What are the correct hypotheses?
A random sample of 722 college freshman found that 231 bought most of their textbooks from the college's bookstore. A random sample of 536 college seniors found that 181 bought their textbooks from the college's bookstore. You wish to test the claim that the proportion of all freshman that purchase most of their textbooks from the college's bookstore is less than the proportion of all seniors at a significance level of α=0.05α=0.05. Round answers to 4 decimal places. Assume the freshman are group one and seniors are group two.
What are the correct hypotheses?
H0:
H1:
Based on the hypotheses, find the following:
Test Statistic = ______________
Critical-value = _____________
The test statistic is:_________________ .
The correct decision is to ________________ .
The correct summary would be:_______________ the claim that the proportion of all freshman that purchase most of their textbooks from the college's bookstore is less than the proportion of all seniors.
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