Answer (D) is correct . Exponential smoothing is a widespread technique for making projections because it requires less data be kept on hand than the moving average methods. The technique involves weighting the actual result for the previous period by a smoothing factor, weighting the forecast for the previous period by the smoothing factor’s complement, and combining the two.
Answer (A) is incorrect because Delphi is a decision-making approach in which the manager solicits opinions on a problem from experts in the field, summarizes the opinions, and feeds the summaries back to the experts; the process is then reiterated. This method is an attempt to avoid groupthink.
Answer (B) is incorrect because Least squares is the process of using calculus to match a set of data to a straight line; it is used in regression analysis.
Answer (C) is incorrect because Regression analysis is the process of deriving the linear equation that describes the relationship between two variables.
|
