Your manager is trying to determine what forecasting method to use. Based upon the following historical data, calculate the following forecast, and specify what procedure you would utilize.

Calculate the mean absolute deviation (MAD) for the forecasts made by each technique in periods 4-12. Which forecasting method would be preferable? Please use Simple and weighted.

Month	Actual Demand
1	62
2	65
3	67
4	68
5	71
6	73
7	76
8	78
9	78
10	80
11	84
12	85

Please show how to do in excel and formulas used, please

B C D E F H - J L K M N O Q R S T 1 Problem 5 2 3 points 3 4 Your manager is trying to determine what forecasting method to use. Based upon the following historical data, calculate the following forecast and specify what procedure you would utilize. Month 5 1 2 3 6 7 8 9 10 11 12 4 5 Actual Demand 62 65 67 68 71 73 76 78 78 80 84 85 13 14 6 7 8 9 10 11 12 15 16 17 18 19 20 21 22 23 24 a) Calculate the simple three-month moving average forecast for periods 4-12. b) Calculate the weighted three-month moving average using weights of 0.5, 0.3, and 0.2 for periods 4-12. c) Calculate the mean absolute deviation (MAD) for the forecasts made by each technique in periods 4-12. Which forecasting method would be preferable