For each of the following scenarios, determine whether the alternative hypothesis would be one-sided or two-sided.
-According to enrollment data in 2016, 55% of undergraduates at a state university were out-of-state students. Your statistics instructor wonders if the proportion of out-of-state undergraduates at this university has changed. She surveys her students (145 students). The results of the sample showed that 73 were out-of-state students.

Question

Quizplus · Accepted Answer

The instructor is interested in whether the proportion has changed, which implies it could be either higher or lower than 55%. This requires a two-sided test.

For Each of the Following Scenarios, Determine Whether the Alternative