A Researcher Obtains Z = 2

question 57

Multiple Choice

A researcher obtains z = 2.04 for a one-sample z test.What is the decision for this test at a .05 level of significance?

• A)to reject the null hypothesis
• B)to retain the null hypothesis
• C)It depends on whether the test is one-tailed or two-tailed.
• D)There is not enough information to make a decision.

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