Question: PLEASE SHOW ALL WORK STEP BY STEP FOR PART A-C. THANK YOU! Data collected on the yearly registrations for a Six Sigma seminar at the

PLEASE SHOW ALL WORK STEP BY STEP FOR PART A-C. THANK YOU!

PLEASE SHOW ALL WORK STEP BY STEP FOR PART A-C.

Data collected on the yearly registrations for a Six Sigma seminar at the Quantity College are shown in the following table: Year 1 2 3 4 5 6 7 819 10 11 Registrations (in thousands) 4 6 4 5 10 8 7 9 12 14 15 a) Develop a 3-year moving average to forecast registrations from year 4 to year 12. b) Use exponential smoothing with a smoothing constant 0.3 to forecast the Registrations at the seminar. To begin the procedure, assume that the forecast for year 1 was 5000 people signing up. Calculate the MAD and MSE. c) Graph the original data and the two forecasts. Which of the two forecasting methods seem better

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