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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
4.4Â Â Â 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)Â Â Â Â Compute a forecast using the method of moving averages with 12 observations in each average.
(b)Â Â Â Â Compute the error in each forecast. How accurate would you say these forecasts are?
(c)Â Â Â Â Now compute a new series of moving average forecasts using six observations in each average. Compute the errors as well.
(d)Â Â Â Â How do these two moving average forecasts compare?
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|
 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 |
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