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 |