11 12 13 14 15 16 291 278 267 257 248 240 233 1226 1220 1214 191 17 18 19 20 25 30 35 40 45 50 5.223 5.501 5769 6.026 6.274 6.514 6.747 6.973 7.192 7.407 8.404 9.3 10.133 10.902 11.625 12.307 370 1357 345 334 325 316 309 1301 295 288 263 244 229 216 206 197 5.958 6.315 6.660 6.994 7.319 7.635 7.944 8.245 8.540 8.828 10.191 11.446 12.618 13.723 14.773 15.776 1462 1449 1438 428 418 410 402 394 1388 381 355 335 318 1305 294 284 6777 7.227 7.665 8.092 8511 8.920 9322 9716 10.104 10.485 12.309 14.020 15.643 17.193 18.684 20.122 570 558 548 1539 530 1522 515 508 1501 495 470 450 434 421 410 1400 7.686 8244 8.792 9.331 9.861 10.383 10.898 11.405 11.907 12.402 14.801 17.091 19.294 21.425 23.500 25.513 1695 685 677 1670 1663 656 1550 1644 1539 1634 513 1596 53 571 561 1552 8.689 9374 10.052 10.21 11.384 12.040 12.690 13.334 13.974 14.608 17713 20.727 23.666 26.543 29.366 32.142 74 160 150 141 134 70% 75% 80% 85% 90% Unit Number (N) 1 2 3 4 5 Unit Time Total Time Coefficient Coefficient 1.000 1.000 .700 1.700 568 2.268 490 2.758 437 3.195 398 3.593 367 3.960 343 4.303 323 4.626 306 4.932 291 5.223 .278 5.501 6 Unit Time Total Time Unit Time Total Time Unit Time Total Time Coefficient Coefficient Coefficient Coefficient Coefficient Coefficient 1.000 1.000 1.000 1.000 1.000 1.000 .750 1.750 .800 1.800 .850 1.850 634 2.384 .702 2.502 .773 2.623 562 2.946 .640 3.142 .723 3.345 513 3.459 596 3.738 .686 4.031 475 3.934 562 4.299 .657 4.688 446 4.380 534 4.834 .634 5.322 422 4.802 512 5.346 .614 5.936 402 5.204 483 5.839 597 6.533 385 5.589 477 6.315 .583 7.116 370 5.958 462 6.777 570 7.686 357 6.315 449 7.227 .558 8.244 Unit Time Total Time Coefficient Coefficient 1.000 1.000 900 1.900 .846 2.746 .810 3.556 .783 4.339 .762 5.101 744 5.845 .729 6.574 .716 7.290 7.994 .695 8.689 685 9.374 7 8 .705 9 10 11 12 Providence Assessment Center screens and trains employees for a computer assembly firm in Boston. The progress of all trainees is tracked and those not showing the proper progress are moved to less demanding programs. By the fifteenth repetition trainees must be able to complete the assembly task in 1 hour or less. Susan Sweaney has just spent 7 hours on the fourth unit and 6 hours completing her eighth unit, while another trainee, Julie Burgmeier, took 3 hours on the third and 2 hours on the sixth unit. Use Table E.3 for reference. Time required by Susan for the fifteenth unit: (Note: You must round all intermediate calculations to at least three decimal places before proceeding with subsequent calculations.) 15th unit hours (round your response to two decimal places) Time required by Julie for the fifteenth unit: 15th unit hours
