Use the following data for problems 27 - 30

Month	Sales
Jan	48
Feb	62
Mar	75
Apr	68
May	77
June

1. Using a two-month moving average, what is the forecast for June?
   1. 37.5
   2. 71.5
   3. 72.5
   4. 68.5

1. Using a two-month weighted moving average, compute a forecast for June with weights of 0.4, and 0.6 (oldest data to newest data, respectively).
   1. 37.8
   2. 69.8
   3. 72.5
   4. 73.4

1. Using exponential smoothing, with an alpha value of 0.2 and assuming the forecast for Jan is 46, what is the forecast for June?
   1. 61.2
   2. 57.3
   3. 36.1
   4. 32.4

1. What is the MAD value for the two-month moving average?
   1. 8.67
   2. 9.12
   3. 10.30
   4. 12.36