Suppose an article included the accompanying data on airline quality score and a ranking based on the number of passenger complaints per 100,000 passengers boarded. In the complaint ranking, a rank of 1 is best, corresponding to fewest complaints. Similarly, for the quality score, lower scores correspond to higher quality. Passenger Complaint Rank Airline Airline Quality Score Airtran Alaska 4 American 8 7 Continental 7 5 Delta 12 8 Frontier Hawaiian 3 Not rated JetBlue Northwest 9 Not rated Southwest 1 United 11 10 US Airways 10 9 Two of the airlines did not have an airline quality score. The least-squares regression line for this data is given by ŷ = 0.778 + 0.715x. (Let x = passenger complaint rank and y = airline quality score.) Use the least-squares line to predict the airline quality score for Hawaiian Airlines and Northwest Airlines. (Round your answers to three decimal places.) Hawaiian Airlines Northwest Airlines
Suppose an article included the accompanying data on airline quality score and a ranking based on the number of passenger complaints per 100,000 passengers boarded. In the complaint ranking, a rank of 1 is best, corresponding to fewest complaints. Similarly, for the quality score, lower scores correspond to higher quality. Passenger Complaint Rank Airline Airline Quality Score Airtran Alaska 4 American 8 7 Continental 7 5 Delta 12 8 Frontier Hawaiian 3 Not rated JetBlue Northwest 9 Not rated Southwest 1 United 11 10 US Airways 10 9 Two of the airlines did not have an airline quality score. The least-squares regression line for this data is given by ŷ = 0.778 + 0.715x. (Let x = passenger complaint rank and y = airline quality score.) Use the least-squares line to predict the airline quality score for Hawaiian Airlines and Northwest Airlines. (Round your answers to three decimal places.) Hawaiian Airlines Northwest Airlines
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 22PFA
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