- M 6 4 5 6 7 8 9 8 Fueluse 363 374 370 349 322 375 501 381 453 449 503 448 576 465 584 443 10 11 12 13 14 Mileage 530 5 1 (37.79 KiB) Viewed 85 times
An airline designs a study to evaluate fuel usage by a certain
type of aircraft. From a random sample of 50 flights,
the flight length in miles and the fuel usage in gallons are
recorded. The data has been provided.
Obtain a point estimate of the fuel usage.
Obtain a 95% interval for the fuel usage of this trip.
► m 6 4 5 6 7 8 9 8 FuelUse 363 374 370 349 322 375 501 381 453 449 503 448 576 465 584 443 10 11 12 13 14 Mileage 530 533 536 569 580 603 655 667 707 712 735 784 814 839 844 885 890 913 957 976 15 16. 17 18 544 578 542 543 478 660 979 1050 1055 1069 590 632 1070 1114 1116 1129 1308 1348 519 624 670 594 726 684 30 1356 1363 W 653 800 737 709 836 756 1395 1474 1504 1528 34 35 sa 824 836 835 1613 1615 1632 1657 1674 1698 1730 1769 1775 1789 1804 1820 1851 868 882 892 886 44 45 46 47 48 876 966 934 810 929 971 973 1983