If the regression line y ̂ = 3 + 2x has been fitted to the data...
If the regression line y ̂ = 3 + 2x has been fitted to the data points (4, 8), (2, 5), and (1, 6), the residual sum of squares will be: ?
Homework Answers
Residual = y - 3 - 2x
squared residual = (y-3-2x)^2
for (4,8) it is 9
for (2,5) it is 4
for (1,6) it is 1
sum is 9+4+1 = 14
The residual sum of square =14
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