Dental anxiety study. Refer to the BMC Oral Health (Vol. 9, 2009) study of adults who completed the Dental Anxiety Scale, presented in Exercise 5.37 (p. 251). Recall that scores range from 0 (no anxiety) to 25 (extreme anx- iety). Summary statistics for the scores of 15 adults who completed the questionnaire are = 10.7 and s = 3.6. Conduct a test of hypothesis to determine whether the mean Dental Anxiety Scale score for the population of col- lege students differs from u 11. Use a = = .05.

Question
Dental anxiety study. Refer to the BMC Oral Health
(Vol. 9, 2009) study of adults who completed the Dental
Anxiety Scale, presented in Exercise 5.37 (p. 251). Recall
that scores range from 0 (no anxiety) to 25 (extreme anx-
iety). Summary statistics for the scores of 15 adults who
completed the questionnaire are = 10.7 and s = 3.6.
Conduct a test of hypothesis to determine whether the
mean Dental Anxiety Scale score for the population of col-
lege students differs from u
11. Use a =
= .05.
Expand
Transcribed Image Text

Dental anxiety study. Refer to the BMC Oral Health (Vol. 9, 2009) study of adults who completed the Dental Anxiety Scale, presented in Exercise 5.37 (p. 251). Recall that scores range from 0 (no anxiety) to 25 (extreme anx- iety). Summary statistics for the scores of 15 adults who completed the questionnaire are = 10.7 and s = 3.6. Conduct a test of hypothesis to determine whether the mean Dental Anxiety Scale score for the population of col- lege students differs from u 11. Use a = = .05.

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