1. Here are the systolic blood pressure readings from 14 men with high blood pressure before and then after they participated in a scripted program of diet and exercise for 15 weeks. Person Before After Difference 1 132 120 -12 2 143 130 -13 3 183 163 -20 4 184 170 -14 5 168 178 10 6 151 141 -10 152 155 164 149 156 145 166 147 194 199 155 143 129 124 144 136 7 8 9 10 11 12 13 14 -15 -11 -19 5 -12 -5 -8 a. Is it okay to use these data to test whether the program resulted in a change in blood pressure? Check all necessary assumptions and conditions. b. Create a 95% confidence interval for the amount of change in blood pressure and explain the interval in context.

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1. Here are the systolic blood pressure readings from 14 men with high blood pressure
before and then after they participated in a scripted program of diet and exercise for 15
weeks.
Person Before After Difference
1
132 120
-12
143
130
-13
183
163
-20
184
170
-14
168
178
10
151
141
-10
152
155
3
164
149
-15
156 145
-11
166
147
-19
194 199
5
155
143
-12
129
124
144 136
2
3
4
5
6
7
8
9
10
11
12
13
14
-5
-8
a. Is it okay to use these data to test whether the program resulted in a change in blood
pressure? Check all necessary assumptions and conditions.
b. Create a 95% confidence interval for the amount of change in blood pressure and
explain the interval in context.
Transcribed Image Text:1. Here are the systolic blood pressure readings from 14 men with high blood pressure before and then after they participated in a scripted program of diet and exercise for 15 weeks. Person Before After Difference 1 132 120 -12 143 130 -13 183 163 -20 184 170 -14 168 178 10 151 141 -10 152 155 3 164 149 -15 156 145 -11 166 147 -19 194 199 5 155 143 -12 129 124 144 136 2 3 4 5 6 7 8 9 10 11 12 13 14 -5 -8 a. Is it okay to use these data to test whether the program resulted in a change in blood pressure? Check all necessary assumptions and conditions. b. Create a 95% confidence interval for the amount of change in blood pressure and explain the interval in context.
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