Question: Using either Minitab or CB Predictor (see Excel Applications: CB Predictor at the end of this chapter), use Winters multiplicative smoothing method with smoothing constants

Using either Minitab or CB Predictor (see “Excel Applications: CB Predictor”
at the end of this chapter), use Winters’ multiplicative smoothing method with
smoothing constants a = B = y = .5 to generate a forecast for January 2003.
Save the residuals.

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