You are the Purchasing Manager of ABC Company. You are buying some products from XYZ Manufacturer. Write an Order Letter to the Production Manager of XYZ Manufacturer in email format. Now, imagine you are the Production Manager of XYZ Manufacturer. As Manager of XYZ$,$ write a reply email to the Manager of ABC $($your client$).$Back

Problem $7$

a$)$ Using MAD as a criterion, which of these techniques yields the best forecast?

b$)$ What is the MAD value for the best forecasting technique?

$\backslash$table$[[,$Forecast$],[$Month$,\backslash$table$[[$Actual$],[$Demand$]],$Technique $1,$Technique $2,$Technique $3],[1,489,498,489,489],[2,475,494,475,475],[3,490,481,490,490],[4,465,480,465,465],[5,487,497,487,487],[6,492,477,492,492]]$