In a Two-Tail Test for the Population Mean,the Null Hypothesis

Multiple Choice

In a two-tail test for the population mean,the null hypothesis will be rejected at α level of significance if the value of the standardized test statistic z is such that:

A) z > zα
B) z < −zα
C) −zα < z < zα
D) | z | > zα _{/ 2}