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...

Do the different treatments lead to different satisfaction levels? Perform an appropriate test at alpha=.02 level ( State, Plan, Do, Conclude


Extracted 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