Exponential smoothing is being used to forecast demand. The previous forecast of 120 turned out to be 12 units larger than the actual demand. The next forecast is 114. Compute the alpha value. 0.20 0.80 0.60 0.50 None of the answers Question 8 5 pts If the coefficient of determination (R-Squared) between the volume of production (x) and total production costs (y) is 0.9, this means: 90% of the y values are positive. 90% of the x values are equal. 90% of the variation in x can be explained by the variation in y. 90% of the variation in y can be explained by the variation in x. None of the answers