MBA $512$ Homework Assignment $$ H$2-$B

Chapter $9$Forecasting and Demand Planning

Enter Student Name:

PROBLEM #$1$

"Using the data shown below, compute the mean square error, mean absolute deviation, and mean absolute percentage error for the forecasts shown.

$($You must show all formulas, calculations, and $""$highlight$""$ corrrect Answers$)"$

Month Forecast Demand Actual Demand

April $170180$

May $225200$

June $210200$

July $260240$

August $200230$

ANSWER

a$.$ Mean Square Error

b$.$ Mean Absolute Deviation

c$.$ Mean Absolute Percentage Error