A two-tailed hypothesis test would be appropriate if the researcher is interested in determining if there is a significant difference between two groups, but does not have a specific direction in mind for the difference. In other words, the researcher is interested in testing if there is a difference in either direction (positive or negative) between the two groups.
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Google Gemini AI
more than 2 weeks ago
The researcher is interested in testing whether the population mean is different from a specific value.