Operations & Service Mngt $($BBA$-370-310)$ Additional Problem $03-04($Algo$)$

The table below shows actual and forecasted numbers of accounts serviced by a company. Compute MAD, MSE, and MAPE for the following data, showing actual and forecasted numbers of accounts serviced.

Note: Enter whole number values in the table below for Error, $|$Errorl$,$ and Error$^2.$ Round the $(|$Error$|/$Actual$)\backslash (\backslash$times $100\backslash )$ to three decimals. Enter $0$ where necessary, do not leave any cells blank. Negative values should be indicated with a minus sign, i$.$e$.\backslash (\backslash$mathbf$\{-2\}\backslash ).$ Round MAD, MSE and MAPE to $3$ decimal places.