Mathematics, 18.03.2021 01:20 eylinglez3ovm16v
A researcher wants to determine if a difference exists between the proportion of all UCF freshmen and all UCF seniors who binge drink at least once per month. 200 UCF freshmen were randomly selected and asked if they binge drink at least once per month, and 43 said they do 200 UCF seniors were randomly selected and asked if they binge drink at least once per month, and 17 said they do. The researcher wants to examine the difference in the proportion of all UCF freshmen(1) and UCF seniors (2) who binge drink at least once per month.
Which hypothesis test should be used to determine if a difference exists between the proportion of UCF freshmen and UCF seniors who binge drink at least once per month?
a. t test for proportions.
b. paired t test for means.
c. z test for means.
d. paired z test for means.
Answers: 1
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