Captopril is a drug designed to lower systolic blood pressure. Systolic blood pressure was measured for six men before and after the drug was administered. The results, in mm of mercury, appear in the table below. Assuming systolic blood pressure is normally distributed, construct a 95% confidence interval for the mean reduction of systolic blood pressure in men attributable to Captopril. Subject Before After A B D E F 174 170 200 198 170 179 182 191 177 167 159 151

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Captopril is a drug designed to lower systolic blood pressure. Systolie blood pressure was
measured for six men before and after the drug was administered. The results, in mm of mercury,
appear in the table below. Assuming systolic blood pressure is normally distributed, construct a 95%
confidence interval for the mean reduction of systolic blood pressure in men attributable to Captopril.
Subject
A
B
C
D
E
F
Before
200
174
198
170
179
182
After
191
170
177
167
159
151
Transcribed Image Text:Captopril is a drug designed to lower systolic blood pressure. Systolie blood pressure was measured for six men before and after the drug was administered. The results, in mm of mercury, appear in the table below. Assuming systolic blood pressure is normally distributed, construct a 95% confidence interval for the mean reduction of systolic blood pressure in men attributable to Captopril. Subject A B C D E F Before 200 174 198 170 179 182 After 191 170 177 167 159 151
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