Bobbie Ruth has kept some records on demand. A weekly demand history for each of the three products follows. Demand is in items, e.g., number of stools, rockers, or swings. These numbers include items sold plus orders not filled because of insufficient supply. Week 1 is the first week of January 1995, and week 117 is the fourth week of March 1997. Week Stool Rocker Swing 1 Week Stool Rocker Swing *105 234 18 2 101 248 21 3 106 276 28 4 108 225 16 5 91 228 29 6 101 247 25 7 100 275 22 8 101 251 24 9 109 251 27 10 108 241 37 11 88 236 24 12 100 254 26 13 102 248 28 14 99 229 139 15 100 243 161 16 109 254 216 17 102 272 12 18 99 249 76 19 113 248 275 20 96 302 41 Week Stool Rocker Swing 21 104 234 321 22 99 249 338 23 100 292 50 24 108 261 27 25 105 264 64 26 99 265 44 27 107 261 222 28 96 256 30 29 96 254 200 30 107 304 30 31 98 279 33 32 85 262 89 33 86 261 198 34 116 265 34 35 126 299 278 36 95 291 75 37 99 321 168 38 111 295 104 39 115 277 41 40 108 275 24 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 95 106 98 113 90 80 100 100 75 106 88 95 132 100 109 102 106 100 105 107 299 266 305 273 292 326 277 256 246 312 320 292 277 275 295 308 262 318 306 303 22 15 18 14 27 15 19 22 27 22 32 21 29 18 32 28 23 24 29 38 Week Stool Rocker Swing Week Stool Rocker Swing 310 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 88 99 121 113 97 86 101 100 96 116 104 102 99 114 101 88 94 100 110 281 341 302 303 324 344 311 271 320 305 332 323 293 324 311 324 328 355 317 25 25 22 21 28 198 177 173 65 295 264 66 204 56 44 267 300 311 236 Week Stool Rocker Swing 80 106 320 44 81 105 312 42 82 86 341 111 83 99 350 35 84 104 364 37 85 113 185 86 100 289 139 87 95 356 81 88 100 331 SO 89 103 342 161 90 115 308 133 91 107 335 29 92 95 352 20 93 92 362 15 94 109 343 27 95 116 356 22 96 103 324 34 97 104 348 17 98 96 337 21 99 100 101 102 103 104 105 106 107 108 -109 7110 '11 $112 106 118 94 81 106 107 88 110 88 121 94 101 113 86 95 101 103 103 309 345 357 330 323 327 368 325 348 336 361 350 343 356 353 308 345 342 23 20 20 25 27 31 2T -22 32 26 23 27 18 27 22 27 21 113 114 115 116 Prepare a report for Ben recommending workforce levels for the next eight weeks. How confident are you of your results? Suppose the actual demands for products in the next four weeks are the following: Week 117 118 119 120 Stools 100 109 90 106 Rockers 344 352 368 361 Swings 24 146 279 64 Does this change your recommendation for weeks 121-124? Explain. PIC.C Bobbie Ruth has kept some records on demand. A weekly demand history for each of the three products follows. Demand is in items, e.g., number of stools, rockers, or swings. These numbers include items sold plus orders not filled because of insufficient supply. Week 1 is the first week of January 1995, and week 117 is the fourth week of March 1997. Week Stool Rocker Swing 1 Week Stool Rocker Swing *105 234 18 2 101 248 21 3 106 276 28 4 108 225 16 5 91 228 29 6 101 247 25 7 100 275 22 8 101 251 24 9 109 251 27 10 108 241 37 11 88 236 24 12 100 254 26 13 102 248 28 14 99 229 139 15 100 243 161 16 109 254 216 17 102 272 12 18 99 249 76 19 113 248 275 20 96 302 41 Week Stool Rocker Swing 21 104 234 321 22 99 249 338 23 100 292 50 24 108 261 27 25 105 264 64 26 99 265 44 27 107 261 222 28 96 256 30 29 96 254 200 30 107 304 30 31 98 279 33 32 85 262 89 33 86 261 198 34 116 265 34 35 126 299 278 36 95 291 75 37 99 321 168 38 111 295 104 39 115 277 41 40 108 275 24 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 95 106 98 113 90 80 100 100 75 106 88 95 132 100 109 102 106 100 105 107 299 266 305 273 292 326 277 256 246 312 320 292 277 275 295 308 262 318 306 303 22 15 18 14 27 15 19 22 27 22 32 21 29 18 32 28 23 24 29 38 Week Stool Rocker Swing Week Stool Rocker Swing 310 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 88 99 121 113 97 86 101 100 96 116 104 102 99 114 101 88 94 100 110 281 341 302 303 324 344 311 271 320 305 332 323 293 324 311 324 328 355 317 25 25 22 21 28 198 177 173 65 295 264 66 204 56 44 267 300 311 236 Week Stool Rocker Swing 80 106 320 44 81 105 312 42 82 86 341 111 83 99 350 35 84 104 364 37 85 113 185 86 100 289 139 87 95 356 81 88 100 331 SO 89 103 342 161 90 115 308 133 91 107 335 29 92 95 352 20 93 92 362 15 94 109 343 27 95 116 356 22 96 103 324 34 97 104 348 17 98 96 337 21 99 100 101 102 103 104 105 106 107 108 -109 7110 '11 $112 106 118 94 81 106 107 88 110 88 121 94 101 113 86 95 101 103 103 309 345 357 330 323 327 368 325 348 336 361 350 343 356 353 308 345 342 23 20 20 25 27 31 2T -22 32 26 23 27 18 27 22 27 21 113 114 115 116 Prepare a report for Ben recommending workforce levels for the next eight weeks. How confident are you of your results? Suppose the actual demands for products in the next four weeks are the following: Week 117 118 119 120 Stools 100 109 90 106 Rockers 344 352 368 361 Swings 24 146 279 64 Does this change your recommendation for weeks 121-124? Explain. PIC.C