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A small pilot study is conducted to investigate the effect of a nutritional supplement on total...

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Question

Basic Math

A small pilot study is conducted to investigate the effect of anutritional supplement on total body weight. Six participants agreeto take the nutritional supplement. To assess its effect on bodyweight, weights are measured before starting the supplementationand then after 6 weeks. The data are shown below. Is there asignificant increase in body weight following supplementation? Runthe test at a 5% level of significance, assuming the outcome isnormally distributed. (enter 1 for “yes”, and 0 for “no”)

Subject

Initial Weight

Weight after 6 Weeks

1

155

157

2

142

145

3

176

180

4

180

175

5

210

209

6

125

126

Answer & Explanation Solved by verified expert
3.8 Ratings (301 Votes)
From the sample data it is found that the corresponding samplemeans areX1164667X2165333Also the provided sample standard deviations    See Answer
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