When testing the difference between two percentages from two independent samples,a z value larger than 1.96 indicates the difference is NOT significantly different.

Question

Quizplus · Accepted Answer

A z value larger than 1.96 indicates that the difference between two percentages is statistically significant at the 5% level, meaning that we can reject the null hypothesis that the two percentages are equal. If the z value is smaller than 1.96, we fail to reject the null hypothesis and cannot conclude that the two percentages are different.

When Testing the Difference Between Two Percentages from Two Independent