8) Sum of weights in exponential smoothing is A) <1 B) 1 C) >1 D) None of the above 9) The last period's forecast

8) Sum of weights in exponential smoothing is A) 1 D) None of the above 9) The last period's forecast was 70 and demand was 60. What is the simple exponential smoothing forecast with alpha of 0.4 for the next period. A)63.8 B) 65 C) 62 D) 66 10) If the demand is 100 during October 2016, 200 in November 2016, 300 in December 2016, 400 in January 2017. What is the 3-month simple moving average for February 2017? A) 300 B)350 C)400 D) Need more information