1. The weekly production (real data) in FarmaMed is tabulated in the following table: a. The operations manager has been asked to select one of the following two exponential smoothing coefficients a=0.25 and a=0.30. Using the MAD error estimation method, recommend as a manager one of the two coefficients. Use as a reference that the forecast for Week 5 was 200,000. Explain your answer. b. Given that the production data represents a linear behavior, determine the trend equation and estimate the production for week 9 . Make the estimate using the Excel tool . c. Explain why this method is not recommended for estimating production for week 20