If the forecast errors for four consecutive periods are 15, 9, 12, and 6, then the mean squared error (MSE) is: OA. 162 OB. 121.5 Oc. 42 OD. 14 E. 10.5 Question 7 You have the following information. Answer the following two questions using it Period Q3 2014 Q4 2014 Q1 2015 Q2 2015 Q3 2015 04 2015 Sales 38,000 42,000 41,000 42,000 44,500 Unknown V Assume the forecast for period Q3 2014 sales was 38,000. Using exponential A. 40,333 smoothing with an alpha of 0.5, the forecast for Q3 2015 sales would be: B. 40,500 Using a three-period moving average, the forecast for period 04 2015 sales would be: C. 41,250 D. 41,667 E 42,000 F. 42,333 G.42,500 H.42,75 I. 43,500 J. 44,667 Cook Pro esc c Search Question 3 Service operations do not accumulate inventory and so are said to be: O A. indivisible OB. heterogeneous c. intangible D. infallible E. immaterial