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Regression

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... is approximately. y = 1.5x 0.5. 4. 6. y = bx a. b = Sxy Sxx ... Sxx = Sx2 (Sx)2 n. Syy = Sy2 (Sy)2 n. Sxy = Sxy (SxSy) n. y = 1.46x 0.25 ... – PowerPoint PPT presentation

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Title: Regression


1
26-Nov-09
Regression
2
The equation is approximately y 1.5x 0.5
y
6
4
x
3
y bx a b Sxy Sxx a (mean of y) b x
(mean of x)
Sxx Sx2 (Sx)2 n Syy Sy2 (Sy)2
n Sxy Sxy (SxSy) n
y 1.46x 0.25
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