Question

The following test has been resulted before and after using a Less Fat 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:

users Weight without LFD Weight without LFD

1 149 142

2 194 189

3 187 184

4 196 190

5 203 199

**Given the situation above, estimate/find a statistical
test to determine if the LFD diet is effective at reducing weight.
Use a significance level of 1%. Please show all steps (null
hypotehsis, accept/reject) and why you concluded the LFD is better
given the numbers.**

Answer #1

For this problem paired together test is appropriate.

Therefore, We conclued that the LFD diet is not effective at reducing weight.

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