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

Question 3

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 2.85.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

Correct Answer:

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