Question

61. The following data is to be used to construct a regression model: x 5 7...

61. The following data is to be used to construct a regression model:

x

5

7

4

15

12

9

y

8

9

10

22

16

12

The value of SSR is ____________.

124.986

121.116

118.182

112.157

110.136
Math   Statistics-And-Probability   
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Homework Answers

Answer #1

Find X⋅Y , X2 and Y2 as it was done in the table below.

X Y X⋅Y X⋅X Y⋅Y  
5 8 40 25 64
7 9 63 49 81
4 10 40 16 100
15 22 330 225 484
12 16 192 144 256
9 12 108 81 144

Find the sum of every column to get:

∑X=52 , ∑Y=77 , ∑X⋅Y=773 , ∑X2=540 , ∑Y2=1129

The value of SSR is 124.986

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