Exhibit 19-6
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 19-6. The conclusion is that there
A)is no significant difference between the proportions
B)is a significant difference between the proportions
C)could be a difference in proportions, depending on the sample size
D)None of these alternatives is correct.

Question

Quizplus · Accepted Answer

Since the sample size is large (60) and the proportion of opponents is significantly higher than the proportion of proponents, a hypothesis test can be conducted using a z-test for proportions. A significance level can be chosen and the null hypothesis, that there is no significant difference between the proportions, can be tested against the alternative hypothesis, that there is a significant difference between the proportions.

Exhibit 19-6 Forty-One Individuals from a Sample of 60 Indicated They Oppose