If we wish to determine whether there is evidence that the proportion of successes is higher in group 1 than in group 2, the appropriate test to use is
A) the Z test for the difference between two proportions.
B) the F test for the difference between two variances.
C) the pooled-variance t test for the difference between two proportions.
D) the F test for the difference between two proportions.

Question

Quizplus · Accepted Answer

The Z test for the difference between two proportions is the appropriate test for comparing the proportions of successes in two groups. The other options are not relevant for this specific question.

If We Wish to Determine Whether There Is Evidence That