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Simple exponential smoothing

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Reference no: EM132970936

Quarterly demand for smartphones at a retailer is as shown.?

Year Quarter Demand

1 I 513

II 932

III 1,509

IV 1,902

2 I 693

II 1,163

III 1,875

IV 2,469

3 I 846

II 1,439

III 2,271

IV 3,079

4 I 1,070

II 1,751

III 2,785

IV 3,613

Forecast quarterly demand for year 5 using the following models:

  1. 4-week simple moving average
  2. Simple exponential smoothing with α=0.1
  3. Trend adjusted exponential smoothing (Holt's model) with α=0.1 and β=0.1
  4. Linear regression with seasonality

Reference no: EM132970936

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