Construct hypothesis test to determine if the herbal supplement is effective in achieving weight loss in obese males. Test at 5% significance level. Show calculations of test stastistic and p value.

MATLAB: An Introduction with Applications
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Construct hypothesis test to determine if the herbal supplement is effective in achieving weight loss in obese males. Test at 5% significance level. Show calculations of test stastistic and p value. 

A study was conducted to determine if taking a popularly advertised herbal supplement will result in weight loss in obese males. A random sample of clinically obese males was obtained. Each subject was weighed
before taking the supplement and again after 60 days using the supplement. Subjects were told not to alter their diet in any way during the study period. The following table shows the observed results for the 6
subjects:
Subject
11
12
3
14
5
mean
standard deviation
sample size
Before (B)
After (A)
164
172
186
166
174
178
173.3333
8.066391
166
154
Difference (B-A)
176
170
160
168
165.6667
7.737355
18
10
7.666667
8.801515
Transcribed Image Text:A study was conducted to determine if taking a popularly advertised herbal supplement will result in weight loss in obese males. A random sample of clinically obese males was obtained. Each subject was weighed before taking the supplement and again after 60 days using the supplement. Subjects were told not to alter their diet in any way during the study period. The following table shows the observed results for the 6 subjects: Subject 11 12 3 14 5 mean standard deviation sample size Before (B) After (A) 164 172 186 166 174 178 173.3333 8.066391 166 154 Difference (B-A) 176 170 160 168 165.6667 7.737355 18 10 7.666667 8.801515
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