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
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
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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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
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