9. A physical therapist claims that massage and spinal manipulation help to reduce the length of time patients suffer from headaches. The table shows the number of hours per day a sample of 11 patients suffered from headaches, before and after seven weeks of receiving massage and spinal manipulations. At a = .05, is there enough evidence to support the therapisť's claim that the number of headaches goes down after treatment? (I've given H,) 1 2 3 4 5 6 7 2.8 2.4 2.8| 2.6 2.7 2.9 3.2 Patient Daily headaches before Daily headaches after 1.6 1.3 1.6 1.4 1.5 1.6 1.7
9. A physical therapist claims that massage and spinal manipulation help to reduce the length of time patients suffer from headaches. The table shows the number of hours per day a sample of 11 patients suffered from headaches, before and after seven weeks of receiving massage and spinal manipulations. At a = .05, is there enough evidence to support the therapisť's claim that the number of headaches goes down after treatment? (I've given H,) 1 2 3 4 5 6 7 2.8 2.4 2.8| 2.6 2.7 2.9 3.2 Patient Daily headaches before Daily headaches after 1.6 1.3 1.6 1.4 1.5 1.6 1.7
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 1CA
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