Consider a significance test for a null hypothesis versus a two-sided alternative with a z-test statistic.Give a value of z that will give a result significant at the 5% level but not at the 1% level.
A) z = 1.645
B) z = -2.17
C) z = -2.65
D) There is no such z-value.

Question

Quizplus · Accepted Answer

A z-value of -2.17 falls outside the critical values for a 5% significance level (approximately ±1.96) but not outside the critical values for a 1% significance level (approximately ±2.576).

Consider a Significance Test for a Null Hypothesis Versus a Two-Sided