reference: statistics data analysis and decision modeling, 5th editions, Evans

QUESTION 4 Use Exponential smoothing with alpha=0.2 to forecast the sales for May using the data given below (Use two decimal points): Jan 76 Feb 80 Mar 51 Apr 100 1) select the link below that opens a pre-populated spreadsheet, You can add rows, columns or even create a new sheet. Empty Excel.xIsx 2) create the required formula or calculation, 3) If the numbers are not clearly visible, try expanding the column to view the numbers