Essay
A researcher wishes to study whether a particular diet is effective in helping people to lose weight. 86 randomly selected adults were weighed before starting the diet and again after following the diet for one month. 47 people lost weight, 37 gained weight, and 2 observed no change in their weight. At the 0.01 significance level, test the claim that the diet is effective.
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H?: the diet is not effective. H?: the d...View Answer
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