Month? Demand ($)
1 ??? 16000
2 ????22000
3 ????20000
4 ????16500
5 ????25000
6 ????34500
7 ????33000
8 ????32000
9 ????38500
10 ??47000
11 ??43000
12 ??44500
1)?Calculate the error for months 7-12 of a weighted average forecast with prior months weighted .5, .3 and .2 respectively.
2)?What does the error tell you about this forecast?
3)?What is the MAPE for the 6 months of this forecast? What does this metric tell you about this forecast?