Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following tabler: 8 9 10 11 1 5.00 5.00 3 5.00 4 5 6 6.00 10.00 7.00 7 6.00 Year 2 Registrations (000) 9.00 12.00 12.00 17.00 a) Calculate the forecasted registrations for years 2 through 12 using exponential smoothing, with a smoothing constant (a) of 0.30 and a starting forecast of 6.00 foe year 1 (round your responses to one decimal places: Year Forecast (000) 5,5 7.3 8.7 9.7 119 b) Mean absolute deviation based on the forect developed using the exponential smoothing method with a smoothing constant (a) 0,30 and a starting forecast of F, = 6.00) - registration fround your response to one decimal place) 2 4 5 6 7 8 9 10 11 12 1 6.00 3 5.5 6.7 6.3 69 6.9 6.6