Refer to the Buena School District bus data. a. Develop a 95% confidence interval for the mean…

Refer to the Buena School District bus data.
a. Develop a 95% confidence interval for the mean bus maintenance.
b. Develop a 95% confidence interval for the mean bus miles.
c. Write a business memo to the state transportation official to report your results.

Data Set 3 –Buena School District Bus Data
Bus Number Maintenance Age Miles Type Bus-Mfg Passenger
X1 X2 X3 X4 X5 X6 X7
135 329 7 853 Diesel Bluebird 55 Passenger
120 503 10 883 Diesel Keiser 42 Passenger
200 505 10 822 Diesel Bluebird 55 Passenger
40 466 10 865 Gasoline Bluebird 55 Passenger
427 359 7 751 Gasoline Keiser 55 Passenger
759 546 8 870 Diesel Keiser 55 Passenger
10 427 5 780 Gasoline Keiser 14 Passenger
880 474 9 857 Gasoline Keiser 55 Passenger
481 382 3 818 Gasoline Keiser 6 Passenger
387 422 8 869 Gasoline Bluebird 55 Passenger
326 433 9 848 Diesel Bluebird 55 Passenger
861 474 10 845 Gasoline Bluebird 55 Passenger
122 558 10 885 Gasoline Bluebird 55 Passenger
156 561 12 838 Diesel Thompson 55 Passenger
887 357 8 760 Diesel Bluebird 6 Passenger
686 329 3 741 Diesel Bluebird 55 Passenger
490 497 10 859 Gasoline Bluebird 55 Passenger
370 459 8 826 Gasoline Keiser 55 Passenger
464 355 3 806 Gasoline Bluebird 55 Passenger
875 489 9 858 Diesel Bluebird 55 Passenger
883 436 2 785 Gasoline Bluebird 55 Passenger
57 455 7 828 Diesel Bluebird 55 Passenger
482 514 11 980 Gasoline Bluebird 55 Passenger
704 503 8 857 Diesel Bluebird 55 Passenger
989 380 9 803 Diesel Keiser 55 Passenger
731 432 6 819 Diesel Bluebird 42 Passenger
75 478 6 821 Diesel Bluebird 55 Passenger
162 406 3 798 Gasoline Keiser 55 Passenger
732 471 9 815 Diesel Keiser 42 Passenger
751 444 2 757 Diesel Keiser 14 Passenger
600 493 10 1008 Diesel Bluebird 55 Passenger
948 452 9 831 Diesel Keiser 42 Passenger
358 461 6 849 Diesel Bluebird 55 Passenger
833 496 8 839 Diesel Thompson 55 Passenger
692 469 8 812 Diesel Bluebird 55 Passenger
61 442 9 809 Diesel Keiser 55 Passenger
9 414 4 864 Gasoline Keiser 55 Passenger
314 459 11 859 Diesel Thompson 6 Passenger
396 457 2 815 Diesel Thompson 55 Passenger
365 462 6 799 Diesel Keiser 55 Passenger
398 570 9 844 Diesel Thompson 14 Passenger
43 439 9 832 Gasoline Bluebird 55 Passenger
500 369 5 842 Gasoline Bluebird 55 Passenger
279 390 2 792 Diesel Bluebird 55 Passenger
693 469 9 775 Gasoline Keiser 55 Passenger
884 381 9 882 Diesel Bluebird 55 Passenger
977 501 7 874 Diesel Bluebird 55 Passenger
38 432 6 837 Gasoline Keiser 14 Passenger
725 392 5 774 Diesel Bluebird 55 Passenger
982 441 1 823 Diesel Bluebird 55 Passenger
724 448 8 790 Diesel Keiser 42 Passenger
603 468 4 800 Diesel Keiser 14 Passenger
168 467 7 827 Gasoline Thompson 55 Passenger
45 478 6 830 Diesel Keiser 55 Passenger
754 515 14 895 Diesel Keiser 14 Passenger
39 411 6 804 Gasoline Bluebird 55 Passenger
671 504 8 866 Gasoline Thompson 55 Passenger
418 504 9 842 Diesel Bluebird 55 Passenger
984 392 8 851 Diesel Bluebird 55 Passenger
953 423 10 835 Diesel Bluebird 55 Passenger
507 410 7 866 Diesel Bluebird 55 Passenger
540 529 4 846 Gasoline Bluebird 55 Passenger
695 477 2 802 Diesel Bluebird 55 Passenger
193 540 11 847 Diesel Thompson 55 Passenger
321 450 6 856 Diesel Bluebird 6 Passenger
918 390 5 799 Diesel Bluebird 55 Passenger
101 424 4 827 Diesel Bluebird 55 Passenger
714 433 7 817 Diesel Bluebird 42 Passenger
678 428 7 842 Diesel Keiser 55 Passenger
768 494 7 815 Diesel Bluebird 42 Passenger
29 396 6 784 Gasoline Bluebird 55 Passenger
554 458 4 817 Diesel Bluebird 14 Passenger
767 493 6 816 Diesel Keiser 55 Passenger
699 475 9 816 Gasoline Bluebird 55 Passenger
954 476 10 827 Diesel Bluebird 42 Passenger
705 403 4 806 Diesel Keiser 42 Passenger
660 337 6 819 Gasoline Bluebird 55 Passenger
520 492 10 836 Diesel Bluebird 55 Passenger
814 426 4 757 Diesel Bluebird 55 Passenger
353 449 4 817 Gasoline Keiser 55 Passenger

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