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# Summary statistics for the scores of the 27 students who completed a Dental Anxiety Scale questionnaire are x = 10.5 and s = 3. Scores range from 0...

Summary statistics for the scores of the 27 students who completed a Dental Anxiety Scale questionnaire are x = 10.5 and s = 3.0. Scores range from 0 (no anxiety) to 20 (extreme anxiety). Conduct a test of hypothesis to determine whether the mean Dental Anxiety Scale score for the population of college students differs from u = 11. Use a = 0.01.

The test statistic for this small-sample test of a population mean is ?

Find the rejection region