What is the correct answer choice? The data below represent the weight losses fo

Question

What is the correct answer choice?

The data below represent the weight losses for people on three different exercise programs Exercise A 2.5 8.8 7.3 9.8 5.1 Exercise B Exercise C 5.8 4.9 4.3 6.2 5.8 8.1 7.9 7.8 If we want to test the claim that the three size categories have the same means, why don't we use three separate hypothesis tests for 1 = 2, 2 = 3, and 1 = 3? The risk of type l error increases and becomes too high. Actually, we do want to use three separate hypothesis tests The risk of type ll error increases and becomes too high. A hypothesis test for comparing two means does not exist.

Explanation / Answer

Every time you conduct a t-test there is a chance that you will make a Type I error.

Answer: Option A. The risk of type 1 error increases and becomes too high

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