B) AND FIND THE MAD (mean absolute deviation)

Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following table: 1 2 3 4 5 6 Year Registrations (000) 8 9 10 11 10.00 12.00 12.00 17.00 4.00 7.00 5.00 5.00 11.00 8.00 6.00 a) Calculate the forecasted registrations for years 2 through 12 using exponential smoothing, with a smoothing constant (a) of 0.40 and a starting forecast of 5.00 for year 1 (round your responses to one decimal place): Year 1 2 3 4 5 6 7 8 9 10 11 12 Forecast (000) 5.00