Refer to the Lincolnville School District bus data, which report information on the school district's bus fleet. A copy of the data and a description of the variables appears in Appendix A.2.

The state transportation official requests a monthly report on bus origin, age, maintenance costs and other characteristics. Kindly answer the following questions after you discuss the descriptive statistics for all numerical and categorical variables:

A)Is there a difference in the variability of the age of the bus between diesel and gasoline buses? Use the 0.05 significance level.

Data Set 3 -Lincolnville School District Bus Data Inpine Type Maintenanc Odometer Manufacturer (0-diesel Capacity e Cost Are Miles Miles Keiser 14 1646 5 51375 11975 Thompson 1072 11969 396 2 21854 Bluebird 9394 10 116548 11967 132 1073 11948 751 Keiser 279 Bluebird 2 27672 11925 Bluebird 5379 5 51765 11972 Bluebird 55 4794 10 119130 11896 520 11839 759 Keiser 3952 47172 714 Bluebird 3742 78713 11837 Bluebird 4376 11814 875 97947 Bluebird 1832 119868 1 1980 Bluebird 5160 10 117768 11798 953 Bluebird 1955 4 41096 11739 353 Bluebird 2775 11782 Bluebird 5352 69433 11781 11778 365 Keiser 3065 63384 Keiser 3143 31366 11757 162 646 Bluebird 1569 34674 11797 Keiser 7766 $6528 1174 371 837 Bluebird 3743 93672 1 1698 464 Bluebird 2540 34530 11698 Keiser 97956 11691 943 4342 673 Keise 3361 75279 11668 431 Keiser 3097 34362 11662 43 Bluebird 187969 11615 714 Bluebird 4218 11610 814 Bluebird 40424 1 1576 Bluebird 69444 11533 39 5821 699 Bluebird 9069 94307 11518 11462 75 Bluebird 3011 7197011461 693 KCISET 9193 4795 11418 18276 11359 982 Bluebind Bluebird 2737 7:172 11358 371 3754 91968 11344 TM KEISH 4640 11342 KCISET 181 196 11336 KEISH 8410 5927 11 178711 11248 193 Thompson 834 4364 92457 11231 Bluebird 57 Bluebird 319% 79248 11232 11168 731 Bluebird 3713 Keiser 4139 183536 11148 61 Bluebird 76426 135 3560 11127 11112 Thompson 3920 Thompson 6733 89792 11180 671 93248 1 1048 692 Bluebird Bluebird 5168 10 11018 14 754 KCISET 45784 10945 540 Bluebird 3656 6713 64434 10911 Bluebird 353 KEISET 4279 45744 Bluebird 10575 10 116534 447 Thompson 4752 95972 10760 Bluebird 87664 79422 10759 977 Bluebird 3769 Keiser 2157 47596 10735 Keiser 71535 10726 767 187343 326 Bluebird 10724 in 106/4 Keiser 4723 110328 Bluebird 44604 554 1836 10662 Bluebird 1061 23152 695 9 Keiser 55 3527 46848 10591 Bluebird 9669 10551