what is the difference between bias and mean error? what does bias measure bias equal to mean error what's the difference between bias and mean error how does bias and mean error differ what is the difference between an average and an average bias as mean error definition is bias an error in the mean term? what is the difference between mean and bias? is bias the same as mean error? what is mean error mean is meant by mean error the same as bids? difference between mean and bias is bias the same as mean error is mean error or bias the same what means bias what is the difference between bias and mean error? is bias the same as mean error? what is the difference between the mean and bias formula what is bias mean?