Variables X1 = Bus number X2 = Maintenance cost ($) X3 = Age X4 = Miles X5 = Bus type (diesel or gasoline) X6 =Bus manufacturer (Bluebird, Keiser, Thompson) X7 = Passengers Bus Number Maintenance Cost Age Miles Bus Type Bus Manufacturer Passengers X2 X3 X4 X5 X6 X7 135 329 7 853 Diesel Bluebird 35 120 503 10 883 Diesel Keiser 42 200 505 10 822 Diesel Bluebird 55 40 466 10 865 Gasoline Bluebird 55 427 359 7 751 Gasoline Keiser 55 759 546 870 Diesel Keiser 55 10 427 780 Gasoline Keiser 14 880 474 9 857 Gasoline Keiser 55 481 382 818 Gasoline Keiser 6 co US 387 422 869 Gasoline Bluebird 55 326 433 9 848 Diesel Bluebird 55 861 474 10 845 Gasoline Bluebird 55 122 558 10 885 Gasoline Bluebird 55 156 561 12 838 Diesel Thompson 55 887 357 760 Diesel Bluebird 6 686 329 3 741 Diesel Bluebird 490 497 10 859 Gasoline Bluebird 55 370 459 826 Gasoline Keiser 55 464 355 806 Gasoline Bluebird 55 875 489 859 Diesel Bluebird 55 883 436 785 Gasoline Bluebird 55 57 455 828 Diesel Bluebird 55 482 514 11 980 Gasoline Bluebird 55 704 503 8 857 Diesel Bluebird 55 989 380 9 803 Diesel Keiser 55 731 432 6 819 Diesel Bluebird 42 75 478 821 Diesel Bluebird 55 162 406 798 Gasoline Keiser 55 732 471 815 Diesel Keiser 42 751 444 757 Diesel Keiser 14 600 493 1008 Diesel Bluebird 55 948 452 831 Diesel Keiser 42 358 461 849 Diesel Bluebird 55 833 496 839 Diesel Thompson 55 597 469 812 Diese Bluebird 55