4.10 Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following table: Year Registrations 4 6/ 4 5 10 8 7 9 12 14 15 (000) 2 3 4 5 6 7 8 9 10 11 a) Develop a 3-year moving average to forecast registrations from year 4 to year 12. b) Estimate demand again for years 4 to 12 with a 3-year weighted b moving average in which registrations in the most recent year are given a weight of 2, and registrations in the other 2 years arec each given a weight of 1 c) Graph the original data and the two forecasts. Which of the two forecasting methods seems better? P 4.11 a) Use exponential smoothing with a smoothing con- stant of 0.3 to forecast the registrations at the seminar given in e Problem 4.10. To begin the procedure, assume that the forecast for de year I was 5,000 people signing up. b) What is the MAD? ley https://d2vlcm61l7u1fs.cloudfront.net/media%2F9d5%2F9d5182d1-a0af-44f2-8659-1ca647a858b3%2FphpprWueE.png

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