A survey on acne treatments randomly selected 100 teenagers using topical treatments, 100 using oral medications, and 50 using laser therapy, and asked each subject about satisfaction level. The resulting counts were: Topical Oral Laser Very satisfied 61 54 24 Somewhat 28 21 10 satisfied Unsatisfied 11 25 16

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Do the different treatments lead to different satisfaction levels? Perform an appropriate test at alpha=.02 level ( State, Plan, Do, Conclude
A survey on acne treatments randomly selected 100 teenagers using topical
treatments, 100 using oral medications, and 50 using laser therapy, and asked
each subject about satisfaction level. The resulting counts were:
Topical
Oral
Laser
Very satisfied
61
54
24
Somewhat
28
21
10
satisfied
Unsatisfied
11
25
16
Transcribed Image Text:A survey on acne treatments randomly selected 100 teenagers using topical treatments, 100 using oral medications, and 50 using laser therapy, and asked each subject about satisfaction level. The resulting counts were: Topical Oral Laser Very satisfied 61 54 24 Somewhat 28 21 10 satisfied Unsatisfied 11 25 16
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