Question

sum of residual square always equal to?​

Answer 1

Answer:

The sum of the residuals always equals zero (assuming that your line is actually the line of “best fit.” If you want to know why (involves a little algebra), see here and here. The mean of residuals is also equal to zero, as the mean = the sum of the residuals / the number of items.

Answer 2

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The sum of the residuals always equals zero (assuming that your line is actually the line of “best fit.” If you want to know why (involves a little algebra), see here and here. The mean of residuals is also equal to zero, as the mean = the sum of the residuals / the number of items.

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