The following table is used for making the preliminary computations for finding the least squares line for the given pairs of x and y values. Complete parts a through g. Xi 3 1 1 254co Yi 4 +86 O 9 4 4 6 3 Σx = Σy = 2 x² Xiyi Σx² = Σx₁v₁ = a. Complete the table. Xi 3 1 1 2 5 4 6 2 Yi x² 4 8 6 9 4 4 3 Find the totals. Σχ = 22 Ey = 38 b. Find SSxy- 9 1 1 4 25 16 36 Σχ = 92 Exiyi = 98 Xiyi 12 8 6 18 20 16 18 SSxy (Round to two decimal places as needed.)
The following table is used for making the preliminary computations for finding the least squares line for the given pairs of x and y values. Complete parts a through g. Xi 3 1 1 254co Yi 4 +86 O 9 4 4 6 3 Σx = Σy = 2 x² Xiyi Σx² = Σx₁v₁ = a. Complete the table. Xi 3 1 1 2 5 4 6 2 Yi x² 4 8 6 9 4 4 3 Find the totals. Σχ = 22 Ey = 38 b. Find SSxy- 9 1 1 4 25 16 36 Σχ = 92 Exiyi = 98 Xiyi 12 8 6 18 20 16 18 SSxy (Round to two decimal places as needed.)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
Please find
SSxy
SSxx
And please solve d. in the Image
Transcribed Image Text:d. Find ₁.
Transcribed Image Text:The following table is used for making the
preliminary computations for finding the least
squares line for the given pairs of x and y
values. Complete parts a through g.
Xi
3
1
1
2
546
Yi
4
8
6
9
4
4
4
3
Σx = Σy; =
2
x²
Xiyi
Σx = Exy; =
C
a. Complete the table.
Xi
3
1
1
2
5
4
6
2
Yi x²³
4
8
6
9
4
4
3
Find the totals.
Σχ = 22
Ly = 38
b. Find SSxy.
9
1
1
4
25
16
36
Ex = 92
Exiy; = 98
Xiyi
12
8
6
18
20
16
18
SSxy=
(Round to two decimal places as
needed.)
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