A physician who specializes in weight control has three different diets she recommends. As an experiment, she
Question:
A physician who specializes in weight control has three different diets she recommends. As an experiment, she randomly selected 15 patients and then assigned 5 to each diet. After three months the following weight losses, in kilograms, were noted. At the 0.05 significance level, can she conclude that there is a difference in the mean amount of weight loss among the three diets?
Plan A Plan B Plan C 7 7 9. 4 4
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H o 1 2 3 H 1 Not all means are equal H o is rejecte...View the full answer
Basic Statistics For Business & Economics
ISBN: 9781259268939
6th Canadian Edition
Authors: Douglas A. Lind, William G Marchal, Samuel A. Wathen, Carol Ann Waite
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