In: Math
A supermarket chain analyzed data on sales of a particular brand of snack cracker
at 104 stores for a certain one week period. The analyst decided to build a regresion model to predict the sales of the snack cracker based on the total sales of all brands in the snack cracker category.
d. Make a prediction for sales in a week where sales in the entire snack
cracker category is 1005.
CategorySales | Sales |
1348 | 394 |
1110 | 388 |
1096 | 357 |
1208 | 385 |
1063 | 346 |
1097 | 326 |
1277 | 358 |
1275 | 359 |
1328 | 360 |
1281 | 374 |
1127 | 362 |
1339 | 406 |
1055 | 354 |
1263 | 368 |
1158 | 391 |
1286 | 370 |
1401 | 372 |
1085 | 381 |
1178 | 371 |
1248 | 353 |
1241 | 372 |
1320 | 375 |
1353 | 369 |
1173 | 353 |
1208 | 364 |
1280 | 371 |
1214 | 391 |
1213 | 381 |
1291 | 371 |
1230 | 335 |
1095 | 338 |
1149 | 320 |
1305 | 370 |
1134 | 351 |
1127 | 328 |
1053 | 295 |
1107 | 318 |
1054 | 296 |
1141 | 327 |
1190 | 313 |
1071 | 346 |
1147 | 361 |
1127 | 350 |
1204 | 367 |
1301 | 411 |
1184 | 390 |
1214 | 367 |
1132 | 341 |
1213 | 380 |
1173 | 347 |
1226 | 365 |
1261 | 352 |
1118 | 341 |
1096 | 321 |
1211 | 329 |
1033 | 336 |
1228 | 361 |
1241 | 386 |
1381 | 408 |
1332 | 359 |
1253 | 375 |
1043 | 330 |
1456 | 341 |
1099 | 340 |
1044 | 336 |
1230 | 341 |
1143 | 371 |
1238 | 378 |
1357 | 371 |
1150 | 378 |
1218 | 386 |
1215 | 357 |
1238 | 376 |
1196 | 349 |
1193 | 364 |
1282 | 361 |
1317 | 365 |
1157 | 346 |
1294 | 356 |
1198 | 343 |
1436 | 358 |
1278 | 368 |
1124 | 312 |
1116 | 315 |
1109 | 338 |
1285 | 327 |
1189 | 309 |
1197 | 330 |
1091 | 345 |
1251 | 344 |
1124 | 355 |
1130 | 346 |
1067 | 328 |
1150 | 352 |
1238 | 375 |
1409 | 370 |
1264 | 377 |
1151 | 340 |
1206 | 350 |
1297 | 375 |
1164 | 364 |
1108 | 370 |
1187 | 365 |
1459 | 396 |