Exhibit 18-5
Forty-one individuals from a sample of 60 indicated they oppose legalized abortion. We are interested in determining whether or not there is a significant difference between the proportions of opponents and proponents of legalized abortion.
-Refer to Exhibit 18-5. The hypothesis is to be tested at the 5% level. The decision rule is not to reject the null hypothesis if

Question

Quizplus · Accepted Answer

Since we are comparing proportions, the appropriate test is a z-test. At the 5% level of significance, the critical values for a two-tailed test are -1.96 and +1.96. Therefore, we decide not to reject the null hypothesis if the test statistic falls between -1.96 and +1.96.

Exhibit 18-5 Forty-One Individuals from a Sample of 60 Indicated They Oppose