The weight and systolic blood pressure of 30 randomly selected males in the age group 25-30 are shown below. Assuming that weight and blood pressure (BP) are normally distributed. a) Find a regression line relating systolic blood pressure wo weight b) Estimate the coefficient of determination and interpret your findings c) Test the hypothesis that p-0 d) Test the hypothesis that p-0.6. e) Find the 95% CI for p ) Consider the weight and blood pressure and fit a non-intercept model to the data and compare it to the model obtain in part (a). which model would you consider superior? Subject Weight| Systolic BP Subject Weight 172 Systolic BP 165 130 16 153 2 167 133 150 17 159 128 180 18 168 132 155 212 175 128 151 19 174 183 215 149 158 150 20 146 21 190 210 150 22 23 195 180 163 140 156 9. 200 148 24 143 124 10 149 125 133 25 240 170 11 158 26 235 165 12 169 135 27 192 160 13 170 150 28 187 159 137 14 156 131 29 200 15 185 127 30 220 140

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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The weight and systolic blood pressure of 30 randomly selected males in the age group 25-30 are
shown below. Assuming that weight and blood pressure (BP) are normally distributed.
a) Find a regression line relating systolic blood pressure wo weight
b) Estimate the coefficient of determination and interpret your findings
c) Test the hypothesis that p=0
d) Test the hypothesis that p=0.6.
e) Find the 95% CI for p
) Consider the weight and blood pressure and fit a non-intercept model to the data and
compare it to the model obtain in part (a). which model would you consider superior?
Subject
Weight
Systolic BP Subject
130
Weight
Systolic BP
153
128
1
165
167
16
172
|2
133
17
159
3
180
150
18
168
132
4
155
128
19
174
149
212
151
20
183
158
6.
175
146
21
215
150
190
150
22
195
163
210
140
23
180
156
9
200
148
24
143
124
10
125
25
240
170
165
160
149
11
158
133
26
235
12
169
135
27
192
13
170
150
28
187
159
14
156
185
131
127
29
200
137
15
30
220
140
Transcribed Image Text:The weight and systolic blood pressure of 30 randomly selected males in the age group 25-30 are shown below. Assuming that weight and blood pressure (BP) are normally distributed. a) Find a regression line relating systolic blood pressure wo weight b) Estimate the coefficient of determination and interpret your findings c) Test the hypothesis that p=0 d) Test the hypothesis that p=0.6. e) Find the 95% CI for p ) Consider the weight and blood pressure and fit a non-intercept model to the data and compare it to the model obtain in part (a). which model would you consider superior? Subject Weight Systolic BP Subject 130 Weight Systolic BP 153 128 1 165 167 16 172 |2 133 17 159 3 180 150 18 168 132 4 155 128 19 174 149 212 151 20 183 158 6. 175 146 21 215 150 190 150 22 195 163 210 140 23 180 156 9 200 148 24 143 124 10 125 25 240 170 165 160 149 11 158 133 26 235 12 169 135 27 192 13 170 150 28 187 159 14 156 185 131 127 29 200 137 15 30 220 140
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