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 + ______________

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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)
                                                         
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
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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