A researcher is testing a hypothesis of a single mean. The critical z value for $\alpha$ =.05 and an one?tailed test is 1.645. The test statistic from sample data is 1.13. The decision made by the researcher based on this information is to ___ the null hypothesis.
A) reject
B) not reject
C) redefine
D) change the alternate hypothesis into
E) restate the null hypothesis

Question

Quizplus · Accepted Answer

The test statistic of 1.13 does not exceed the critical value of 1.645. Therefore, the researcher fails to reject the null hypothesis.

A Researcher Is Testing a Hypothesis of a Single Mean α\alphaα

A Researcher Is Testing a Hypothesis of a Single Mean $\alpha$