When a computed z-value (for a test for differences between two percentages), say 4.51, is larger than the standard z-value, say 1.96, then this amounts to
A) support for the null hypothesis; the two percentages are different.
B) no support for the null hypothesis; the two percentages are not different.
C) support for the null hypothesis; the two percentages is not different.
D) no support for the null hypothesis; the two percentages are different.
E) None of the above.

Question

Quizplus · Accepted Answer

A computed z-value larger than the standard z-value indicates that the difference between the two percentages is statistically significant, thus providing no support for the null hypothesis.

When a Computed Z-Value (For a Test for Differences Between