Question

1. The business analyst for Video Sales, Inc. wants to forecast this year's demand for DVD...

1. The business analyst for Video Sales, Inc. wants to forecast this year's demand for DVD decoders based on the following historical data: Year Demand 5 years ago 900 4 years ago 700 3 years ago 600 2 years ago 500 Last year 300 8. What is the forecast for this year using exponential smoothing with alpha = .4?

Year Demand
5 years ago 900
4 years ago 700
3 years ago 600
2 years ago 500
Last year 300

A. 163

B. 180

C. 300

D. 504

E. None of the choices

2. What is the MAE for the exponential smoothing with alpha = .4?

A. 64320
B. 198
C. 249
D. 247.8
E. None of the choices

Please show all the steps on excel, thank you in advance!

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

so, forecast for this year = 503.52 ≈ 504

b) MAE=   Σ |et|/n = 991.20/4 =   247.80

please revert for doubt

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