A group of five individuals with high blood pressure were given a new drug that was...
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A group of five individuals with high blood pressure were givena new drug that was designed to lower blood pressure. Systolicblood pressure was measured before and after treatment for eachindividual, with the following results:
Subject
Before
After
1
172
145
2
164
132
3
168
129
4
158
135
5
183
145
Let ?X represent the population mean before treatment and let ?Yrepresent the population mean after treatment. Find a 90%confidence interval for the difference ?D=?X??Y . Round the answersto three decimal places.
The 90% confidence interval is
A group of five individuals with high blood pressure were givena new drug that was designed to lower blood pressure. Systolicblood pressure was measured before and after treatment for eachindividual, with the following results:
Subject | Before | After |
1 | 172 | 145 |
2 | 164 | 132 |
3 | 168 | 129 |
4 | 158 | 135 |
5 | 183 | 145 |
Let ?X represent the population mean before treatment and let ?Yrepresent the population mean after treatment. Find a 90%confidence interval for the difference ?D=?X??Y . Round the answersto three decimal places.
The 90% confidence interval is
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