If we wish to determine whether there is evidence that the proportion of successes is the same in group 1 as in group 2, the appropriate test to use is:
A) the z test
B) thetest
C) both the z test and thetest
D) neither the z test nor thetest

Question

Quizplus · Accepted Answer

The z test is used to compare the proportions of successes in two independent groups, while the test is used to compare the proportions of successes in two dependent groups. In this case, we are comparing the proportions of successes in two independent groups, so the appropriate test to use is the z test.

If We Wish to Determine Whether There Is Evidence That