If you wish to determine whether there is evidence that the proportion of items of interest 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 ratio of 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 used to compare the proportions of two independent groups to determine if there is a significant difference between them.

If You Wish to Determine Whether There Is Evidence That