Introduction to Hypothesis Testing Table

PSYCH/625 Version 5

University of Phoenix Material

Identify whether each research scenario listed in the left column of the top of the matrix, would be a one- or two-tailed test and then justify your decision. For each research scenario in the bottom of the matrix, write what the null and alternative hypotheses would be.

Research Scenario	One-tail or two-tail test	Justification

A local dermatologist claims that more than 30% of mole biopsies are unnecessary. Last month at his clinic, 210 out of 634 had benign biopsy results. Is there enough evidence to reject the dermatologist’s claim?

Research Scenario	Null hypothesis:	Alternative hypothesis:

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Introduction to Hypothesis Testing Table