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The Bowflex HVT is a home gym piece of training equipment. Noting that individual results will...

The Bowflex HVT is a home gym piece of training equipment. Noting that individual results will vary, Nautilus, Inc. states that “In a recent independent study, average weight loss for [users of the Bowflex HVT] was 13 lbs. Participants also followed the meal plan included with every Bowflex HVT.”

In order to determine the weight loss that might be expected as a result of use of the Bowflex HVT without the included meal plan, weight changes for a small sample of 12 Bowflex HVT users not following the meal plan were measured.

Weight (losses)/gains are shown below in pounds.

(14)

(18)

(3)

2

(15)

(13)

(9)

(10)

(10)

(14)

(9)

(14)

Using a 5% level of significance, does your experimental data suggest average weight losses are significantly less for those using the Bowflex HVT without the meal plan?

Math   Statistics-And-Probability   
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