The test statistic to test the difference between two population proportions is the Z test statistic, which requires that the sample sizes are each sufficiently large.

Question

Quizplus · Accepted Answer

The Z test statistic can be used to test the difference between two population proportions as long as the sample sizes are sufficiently large. If the sample sizes are smaller, a different test statistic such as the T test may need to be used.

The Test Statistic to Test the Difference Between Two Population