A researcher is testing a hypothesis of a single mean. The critical z value for = .05 and a 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.
The decision made by the researcher based on this information is to accept (fail to reject) the null hypothesis.
test statistic :-
the critical value of z at alpha=0.05 is:-
the positive critical value indicates that it is a right tailed test .
so, we fail to reject the null hypothesis.]
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