Question

Asked Nov 5, 2019

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I have attached a picture of the question, please only answer section A, B, and C. Thank you.

Step 1

Hello there! there are more than three subparts in the question. According to our policies we cannot answer more than three sub parts in one question. So please find the solution for a,b,c parts of the question. If you have doubts in remaining part of the question kindly make a new request, mentioning the part in which you need help.

Step 2

**Formulation of Hypothesis**

Paired T-test is used when we have the same subject and comparing before and after the test.

Null Hypothesis: H_{0}: µ_{d}=0 Vs Alternative Hypothesis: µ_{d} ≠ 0

Where, n is the no of observations

S_{D} is the sample standard deviation

Step 3

The following table shows the given d...

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