For an alpha level of .05,an unexpected result in the one sample z test includes any sample mean occurring more than _____ standard errors below or more than _____ standard errors above the value of ì represented in the null hypothesis.
A).95
B)1.96
C).05
D)1.0

Question

Quizplus · Accepted Answer

The critical value for a two-tailed test with an alpha level of .05 is ±1.96 standard errors from the mean. Thus, any sample mean occurring more than 1.96 standard errors below or more than 1.96 standard errors above the value of μ represented in the null hypothesis would be considered statistically significant and unexpected at the .05 alpha level.

For an Alpha Level of