Problem $7$

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

$B$

A1 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? Actual Month Demand 489 475 490 465 487 492 Technique 1 498 494 481 480 477 Forecast Technique 2 489 475 490 465 487 492 Technique 3 489 475 490 465 487 492