6.9. Contoh Soal Rata-Rata Bergerak (Moving Average)
PERAMALAN PENGIRIMAN ALAT PEMBUKA KALENG LISTRIK DENGAN RATA-RATA BERGERAK
|
(1) |
(2) |
(3) |
(4) |
(5) |
|
Bulan |
Periode Waktu |
Nilai Pengamatan |
Rata-rata bergerak tiga bulanan |
Rata-rata bergerak lima bulanan |
|
Jan |
1 |
200 |
- |
- |
|
Feb |
2 |
135 |
- |
- |
|
Mar |
3 |
195 |
- |
- |
|
Apr |
4 |
197,5 |
176,7 |
- |
|
Mei |
5 |
310 |
175,8 |
- |
|
Juni |
6 |
175 |
234,2 |
207,5 |
|
Juli |
7 |
155 |
227,5 |
202,5 |
|
Ags |
8 |
130 |
213,3 |
206,5 |
|
Sept |
9 |
220 |
153,3 |
193,5 |
|
Okt |
10 |
277 |
168,3 |
198 |
|
Nov |
11 |
235 |
209,2 |
191,4 |
|
Des |
12 |
- |
244,2 |
203,5 |
|
Analisis Galat |
Periode Pengujian |
|
|
4-11 |
6-11 |
|
|
Nilai Tengah Galat |
17,71 |
-1,17 |
|
Nilai Tengah Galat Absolut |
71,46 |
51,00 |
|
Nilai Tengah Galat Persentase Absolut (MAPE) |
34,89 |
27,88 |
|
Deviasi Standar Galat |
83,37 |
60,12 |
|
Nilai Tengah Galat Kuadrat (MSE) |
6395, 66 |
3013, 25 |
Last modified: Monday, 2 November 2020, 12:20 AM