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(continue of 6). The test statistic is: -1.68

(continue of 6). The test statistic is: -1.68

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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(continue of 6). The test statistic is: 1 -1.68 2 -1.76 3 -1.40 4 -1.56
Transcribed Image Text:(continue of 6). The test statistic is: 1 -1.68 2 -1.76 3 -1.40 4 -1.56
Dental Anxiety Study: Study of adults who completed the Dental Anxiety Scale scored from 0 (no anxiety) to 25 (extreme anxiety). The Summary statistics for the scores of 15 adults who completed the questionnaire are: sample mean 10.7, sample standard deviation 3.6. Conduct a test of Hypothesis to determine whether the mean anxiety scale score for the population of College students is less than 12. We set H 0: mu = 12, then, H a should be set as, 1 mu > 12 2 mu not equal 12 3 mu < 12 4 mu =10.7
Transcribed Image Text:Dental Anxiety Study: Study of adults who completed the Dental Anxiety Scale scored from 0 (no anxiety) to 25 (extreme anxiety). The Summary statistics for the scores of 15 adults who completed the questionnaire are: sample mean 10.7, sample standard deviation 3.6. Conduct a test of Hypothesis to determine whether the mean anxiety scale score for the population of College students is less than 12. We set H 0: mu = 12, then, H a should be set as, 1 mu > 12 2 mu not equal 12 3 mu < 12 4 mu =10.7
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