Posted by **statstudent** on Wednesday, August 29, 2007 at 4:39pm.

I have a simple set of 10 data points

My ten Data Points

2

3

3

4

5

8

9

11

11

13

(mean = 6.9)

My prediction nodel predicts the following values for the ten data points (listed in same order)

2

3

4

5

6

7

9

10

11

12

I calculate

SST = SIGMA (VALUE - MEAN)^2 = 142.9

SSM = SIGMA (MODEL - MEAN)^2 = 108.9

SSE = SIGMA (VALUE - MODEL)^2 = 6

I thought SSM + SSE = SST, but

SSM + SSE = 114.9 which doesn't equal 142.9

Where am I going wrong?

- statistics -
**shannon**, Thursday, October 31, 2013 at 4:29pm
40

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