Question

The following output is provided for a linear trend regression-based forecasting model based on 12 months of data:

Suppose that the actual sales for months 13-15 are: 720, 680, 800. Given this, which of the following is the forecast bias value for months 13-15?

A) Approximately 77.7

B) Approximately 233.2

C) About -56.8

D) Just under 80

Answer

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