Multiple Choice
A researcher is testing a hypothesis of a single mean.The critical z value for = .05 in 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
E) restate
Correct Answer:
Verified
Correct Answer:
Verified
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