Which of the following statements concerning average error is true?
A)a positive value indicates high bias,and a negative value indicates low bias
B)a positive value indicates zero bias,and a negative value indicates low bias
C)a negative value indicates zero bias,and a negative value indicates high bias
D)a positive value indicates low bias,and a negative value indicates high bias

Question

Quizplus · Accepted Answer

A positive value of average error indicates low bias, meaning that the model is close to the true value on average. A negative value indicates high bias, meaning that the model consistently under- or overestimates the true value. Therefore, (D) is the correct choice because it corresponds to the actual relationship between average error and bias.

Which of the Following Statements Concerning Average Error Is True