HW_13_sol - 41-41 5 1210 6050 25 20 20 6 1195 7170 36 7...

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Month 1 Jan 1325 2 Feb 1353 3 Mar 1305 4 Apr 1275 1328 5 May 1210 1311 6 Jun 1195 1263 1294 7 Jul 1227 1268 1277 1267 1257 1247 Actual Demand 3-month SMA 5-month SMA 6-month SMA 40/60 WMA 30/70 WMA 20/80 WMA
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ES(.20) ES(.80) F T 1370 1370 1380 -10 1370 45 -45 1361 1334 1334 -28 1306 8 -8 1359 1349 1344 -9 1334 54 -54 1349 1314 1311 -21 1290 74 -74 1334 1283 1278 -27 1251 124 -124 1309 1225 1218 -43 1175 114 -114 1286 1201 1191 -35 1156 70 -70 Tracking signal= -6 This is less than -4, so this metho is not appropriate for this data. FIT (.80/.50) MAD ES(.20) MFE ES(.20)
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x y xy 45 -45 1 1325 1325 1 47 47 2 1353 2706 4 29 -29 3 1305 3915 9 15 -15 4 1275 5100 16
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Unformatted text preview: 41-41 5 1210 6050 25 20 20 6 1195 7170 36 7 33-11 Sum: 28 7663 26266 91 Average 3.5 1277 Tracking signal=-2 od This is between -4 and 4, so a = 1388.1 this method is appropriate. b = -31.7 Y = a + b X MAD FIT(.80/.50) MFE FIT(.80/.50) Linear Regression x 2 Y 1356 1325 1293 1261 1230 1198 1166 Jan Feb Mar Apr May Jun Jul 1100 1150 1200 1250 1300 1350 1400 Kroger Bottled Spring Water Actual Demand ES(.20) ES(.80) FIT (.80/.50) Y...
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HW_13_sol - 41-41 5 1210 6050 25 20 20 6 1195 7170 36 7...

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