Question

Derive the expressions for (i) absolute
(ii) mean absolute error (iii) relative error and (iv) percentage of errors​

Answer 1

1. absolute error is the difference between mean absolute value and given value.

2. mean absolute error is the mean if all absolute errors.

3. relative error is the quotient of mean absolute error and mean absolute value.

4. percentage error is the multiply of relative error and 100.