Answered: 4. Fuel costs are important to… | bartleby

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 25PPS

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4. Fuel costs are important to profitability in the airline business. A small regional carrier has been operating
three types of aircraft and has collected the following cost data from its 14 planes, expressed as fuel cost
(in hundred pesos) per available seat kilometer:
Туре А :
73
82
76
68
80
79
Туре В :
56
76
72
79
82
69
Туре С :
79
95
87
83
94
84
At the 0.01 level of significance, can we conclude that there is no true difference between plane
types in fuel costs?

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