Calculate Forecasting Using MAPD And Determine Whether It Is Working Or Not
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Question
Monthly attendance, A, at certain seminars for the past 24 months, and forecasts, F, for those Months, are shown in the following table.
|
Month |
A |
F |
Month |
A |
F |
Month |
A |
F |
|
1 |
47 |
43 |
9 |
25 |
35 |
17 |
51 |
55 |
|
2 |
51 |
44 |
10 |
24 |
26 |
18 |
48 |
51 |
|
3 |
54 |
50 |
11 |
30 |
25 |
19 |
42 |
50 |
|
4 |
55 |
51 |
12 |
35 |
32 |
20 |
30 |
43 |
|
5 |
49 |
54 |
13 |
44 |
34 |
21 |
28 |
38 |
|
6 |
46 |
48 |
14 |
57 |
50 |
22 |
25 |
27 |
|
7 |
38 |
46 |
15 |
60 |
51 |
23 |
35 |
27 |
|
8 |
32 |
44 |
16 |
55 |
54 |
24 |
38 |
32 |
- Assuming that Trend is removed from the data, develop a monthly index for attendance.
- b. How do you evaluate this forecast using MAPD?
- c. Determine if the forecast is working using a tracking signal with UCL and LCL of 0 ± 4 MADs and plot the chart to support your wo
Summary
The question belongs to Statistics and discusses calculation of forecast using MAPD and determining if the forecast is working or not.
Total Word Count 192
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