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What is the Standard Error of Estimate for this regression line, using the shortcut form of the equation shown below:a = 2.4b = 1.070= 23.8PointRef. Method (x)Test Method (y)x-y-(x-)(y-)(x-)21 3 6 -17-17.8 302.6 2892 14 18 -6 -5.8 34.8 363 31 34 11 10.2112.2 121 4 5 6 -15 -17.8267 255 5 24 29 4 5.220.8 166 16 21 -4 -2.811.2 167 32 39 12 15.2182.4 1448 10 11 -10-12.8 128 1009 40 42 20
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The page below is a sample from the LabCE course
Linear Regression Analysis
. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.
Learn more about Linear Regression Analysis (online CE course)
What is the Standard Error of Estimate for this regression line, using the shortcut form of the equation shown below:
a = 2.4
b =
1.070
= 23.8
Point
Ref. Method (x)
Test Method (y)
x-
y-
(x-
)(y-
)
(x-
)
2
1
3
6
-17
-17.8
302.6
289
2
14
18
-6
-5.8
34.8
36
3
31
34
11
10.2
112.2
121
4
5
6
-15
-17.8
267
255
5
24
29
4
5.2
20.8
16
6
16
21
-4
-2.8
11.2
16
7
32
39
12
15.2
182.4
144
8
10
11
-10
-12.8
128
100
9
40
42
20
18.2
364
400
10
6
5
-14
-18.8
263.2
196
11
18
21
-2
-2.8
5.6
4
12
29
34
9
10.2
91.8
81
13
10
16
-10
-7.8
78
100
14
43
48
23
24.2
556.6
529
15
19
27
-1
3.2
-3.2
1
Total
2415
2258
Please select the single best answer
2.3
8.4
11.7
13.2
X
×