Question: 9 hypertension patients in a clinic use an experimental drug for treatment. The systolic blood...

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Question: 9 hypertension patients in a clinic use anexperimental drug for treatment. The systolic blood pressurereading for these patients before and after using the drug are asfollows:
Assume that blood pressure has a standard deviation of 5 mmHg.Do you think the drug works?
ID BP BEFORE (mmHg) BF AFTER (mmHg)
1 145 138
2 140 142
3 150 140
4 142 148
5 155 151
6 152 140
7 148 132
8 160 160
9 152 148
After solving the problem;
1-) Choose the treshold value on your own.
2-) Explain briefly why you choose that numbers as treshold
3-) Make comments on the result of hypothesis test.
Thank you for everything.

Answer & Explanation Solved by verified expert

3.9 Ratings (395 Votes)

1 To test this hypothesis we can choose the 5 level ofsignificance as the threshold value2 The reason for selecting the above threshold value isuniversality Most of the hypothesis test use the significancelevel at 5 because of it the moderate between 1 and 103 The above analysis is performed in See Answer

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ID	BP BEFORE (mmHg)	BF AFTER (mmHg)
1	145	138
2	140	142
3	150	140
4	142	148
5	155	151
6	152	140
7	148	132
8	160	160
9	152	148