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

Question 24

Multiple Choice

A researcher is testing a hypothesis of a single mean.The critical z value for α\alpha = .05 and a two?tailed test is +1.96.The observed z value from sample data is -2.11.The decision made by the researcher based on this information is to _____ the null hypothesis.


A) reject
B) fail to reject
C) redefine
D) change the alternate hypothesis into
E) restate

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