Compute a new series of moving average forecasts

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Reference no: EM13930319

The Paris Chamber of Commerce and Industry has been asked by several of its members to prepare a forecast of the French index of industrial production for its monthly newsletter. Using the monthly data given below:

(a) Compute a forecast using the method of moving averages with 12 observations in each average.

(b) Compute the error in each forecast. How accurate would you say these forecasts are?

(c) Now compute a new series of moving average forecasts using six observations in each average. Compute the errors as well.

(d) How do these two moving average forecasts compare?

Period	French index of industrial prod.	Period	French index of industrial prod.
1	108	15	98
2	108	16	97
3	110	17	101
4	106	18	104
5	108	19	101
6	108	20	99
7	105	21	95
8	100	22	95
9	97	23	96
10	95	24	96
11	95	25	97
12	92	26	98
13	95	27	94
14	95	28	92

Reference no: EM13930319

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