In a study to test the effect of a medication for asthma, 8 asthma patients were treated with the medication. The data fellow shows their asthma symptom scores before and after the treatment. Higher scores are indicative of worse asthma symptoms. Before: After 80 55 82 86 89 76 80 65 60 72 81 90 76 78 68 79

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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3) In a study to test the effect of a medication for asthma, 8 asthma patients were
treated with the medication. The data fellow shows their asthma symptom scores
before and after the treatment. Higher scores are indicative of worse asthma
symptoms.
Before:
After
80 82
55 60
86 89 76
80 65 72
81 90
78 68
76 79
(a) Test the hypothesis that the medication is effective in reducing the asthma
symptoms. Use a = 0.05. What assumption(s) did you make?
(b) Estimate the mean difference in the asthma score using 98% confidence
interval.
Transcribed Image Text:3) In a study to test the effect of a medication for asthma, 8 asthma patients were treated with the medication. The data fellow shows their asthma symptom scores before and after the treatment. Higher scores are indicative of worse asthma symptoms. Before: After 80 82 55 60 86 89 76 80 65 72 81 90 78 68 76 79 (a) Test the hypothesis that the medication is effective in reducing the asthma symptoms. Use a = 0.05. What assumption(s) did you make? (b) Estimate the mean difference in the asthma score using 98% confidence interval.
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