A researcher is testing a hypothesis of a single mean. The critical z value for alpha = .05 and an onetailed test is 1. The observed z value from...

A researcher is testing a hypothesis of a single mean. The critical z value for alpha α = .05 and an one‑tailed test is 1.645. The observed z value 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