Refer to the Lincolnville School District bus data.

a. Referring to the maintenance cost variable, develop a box plot. What are the minimum, first quartile, median, third quartile, and maximum values? Are there any outliers?

b. Using the median maintenance cost, develop a contingency table with bus manufacturer as one variable and whether the maintenance cost was above or below the median as the other variable. What are your conclusions?

Data From  Lincolnville School District bus:

Transcribed Image Text:

Engine Type Maintenance Odometer ID Manufacturer (0=diesel) Сараcity Cost Age Miles Miles Kejser Thompson Bluebird Kejser Bluebird Bluebird Bluebird Kejser Bluebird Bluebird Bluebird Bluebird Bluebird Bluebird Bluebird Kejser Kejser Bluebird Kejser Bluebird Bluebird Kejser Kejser Kejser Bluebird Bluebird Bluebird Bluebird Bluebird Bluebird Kejser Kejser Bluebird Bluebird Keiser Kejser Kelser Thompson Bluebird Bluebird Bluebird Keiser 10 1 14 4646 54375 11973 396 14 1072 21858 11969 122 1 55 9394 116580 11967 751 14 1078 22444 11948 279 55 1008 22672 11925 500 1 55 5329 50765 11922 11896 11883 520 55 4794 10 119130 759 55 3952 8 87872 714 42 3742 7 73703 11837 875 55 4376 9 97947 11814 600 55 4832 10 119860 11800 11798 953 55 5160 10 117700 101 55 1955 4 41096 11789 358 55 2775 6 70086 11782 29 1 55 5352 6 69438 11781 365 55 3065 6 63384 11778 162 1 55 3143 3 31266 11758 686 55 1569 3. 34674 11757 370 1 55 7766 8 86528 11707 887 55 3743 8 93672 11704 464 1 55 2540 34530 11698 948 42 4342 97956 11691 678 55 3361 7. 75229 11668 481 1 3097 34362 11662 43 1 55 8263 102969 11615 704 55 4218 8 83424 11610 814 55 2028 4 40824 11576 39 1 55 5821 69444 11533 699 1 55 9069 98307 11518 75 55 3011 71970 11462 693 1 55 9193 101889 11461 989 55 4795 106605 11418 982 55 505 10276 11359 321 42 2732 6 70122 11358 724 42 3754 91968 11344 732 42 4640 101196 11342 880 1 55 8410 97065 11336 193 14 5922 128711 11248 884 55 4364 92457 11231 57 55 3190 79240 11222 731 42 3213 68526 11168 61 55 4139 103536 11148 5202N com9 r39cot6 969 9910 769