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Equation to predict annual demand for helix gears

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Reference no: EM131730780

A firm has been using the following equation to predict annual demand for helix gears:

yt  = 55 + 4t,

where t is in years.

Thus, for example, the prediction for year 2 is 55 + 4*2 = 63 Actual demand for the past few years is shown below.

Year           2      3      4      5      6      7

Demand     60     65     69     76     85     85

Based on the data supplied is the forecasting model performing as well as it might? Support your answer quantitatively!

Reference no: EM131730780

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