The following data are available for the demand for a piece that is manufactured

Question

The following data are available for the demand for a piece that is manufactured as a part of a larger product.

                        Week              Demand
                           1                        10
                           2                        13
                           3                        12
                           4                        11
                           5                        17
                           6                        15
                           7                        13
                           8                        12

If we calculate a 4-week moving average (MA) for these data, the MA for week 5, to two decimal places, is??????

Based on the data above, for a 4-week MA, the Forecast for Week 9, to two decimal places, is???????

or the 4-week moving average, the Absolute Deviation (or Absolute Error) for Week 6, to two decimal places, is?????

The Mean Absolute Deviation (or Mean Absolute Error) for the 4-week MA, to two decimal places, is???

If we apply the method of Exponential Smoothing with alpha=0.8 and the seed value S0 = 10 to the data above, the exponential smooth average for Week 3, to two decimal places, is?????

Using the same values for alpha and the seed as in perviouis question, the exponentially smoothed Forecast for Week 9, to two decimal places, is ????

Using the same values for alpha and the seed, the Absolute Deviation (or Absolute Error) for Week 5, to two decimal places, is???

Using the same values for alpha and the seed, the Sum of Absolute Deviations (SAD), (or SAE), is???

Explanation / Answer

formulas

a) 11.5

b) 14.25

c)10

d) 2.5

Please post rest questions again . solved first 4 subparts by chegg policy

week demand forecast abosulte error 1 10 2 13 3 12 4 11 5 17 11.5 5.5 6 15 13.25 1.75 7 13 13.75 0.75 8 12 14 2 9 14.25 absolute error 10 mean absolute error 2.5

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