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The following test has been resulted before and after good diet (LFD) in order to improve...

The following test has been resulted before and after good diet (LFD) in order to improve the health of people. The weight of five individuals are recorded as shown below: Let μ1 be the initial weight of the individuals without LFD and μ2 be the weight a with LFD:

PERSON        Weight before              Weight after

1                      149                              142     

2                      194                              189

3                      187                              184

4                      196                              190

5                      203                              199

Set a statistical test to determine if the diet is effective at reducing weight. Use a significance level of 1%.

Math   Statistics-And-Probability   
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