The systolic blood pressure dataset (in the third sheet of the spreadsheet linked above) contains the systolic blood pressure and age of 30 randomly selected patients in a medical facility. What is the equation for the least square regression line where the independent or predictor variable is age and the dependent or response variable is systolic blood pressure? Y=__________ X + ______________
The systolic blood pressure dataset (in the third sheet of the spreadsheet linked above) contains the systolic blood pressure and age of 30 randomly selected patients in a medical facility. What is the equation for the least square regression line where the independent or predictor variable is age and the dependent or response variable is systolic blood pressure? Y=__________ X + ______________
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
The systolic blood pressure dataset (in the third sheet of the spreadsheet linked above) contains the systolic blood pressure and age of 30 randomly selected patients in a medical facility.
What is the equation for the least square regression line where the independent or predictor variable is age and the dependent or response variable is systolic blood pressure?
Y=__________ X + ______________
Patient 7 is 67 years old and has a systolic blood pressure of 170 mm Hg. What is the residual?
__________ mm Hg
Is the actual value above, below, or on the line?
What is the interpretation of the residual? (difference in actual &predicated bp, difference in age, the amount of systolic changes)
Transcribed Image Text:Systolic blood
Individual Age
pressure
1
39
144
2
47
220
3
45
138
4
47
145
5
65
162
6
46
142
7
67
170
8
42
124
67
158
10
56
154
11
64
162
12
56
150
13
59
140
14
34
110
15
42
128
16
48
130
17
45
135
18
17
114
19
20
116
20
19
124
21
36
136
22
50
142
23
39
120
24
21
120
25
44
160
26
53
158
27
63
144
28
29
130
29
25
125
30
69
175
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