Posted: January 25th, 2016

Suppose we test the difference between two proportions at the 0.05 level of significance. If the computed z is -1.07, what is our decision?

Suppose we test the difference between two proportions at the 0.05 level of significance. If the computed z is -1.07, what is our decision?

A. Reject the null hypothesis.

B. Do not reject the null hypothesis.

C. Take a larger sample.

D. Reserve judgment.