kadence428
24.02.2020 •
Mathematics
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.Airline Passenger Airline Complaint Rank Quality ScoreAirtran 6 4Alaska 2 3American 8 8Continental 7 6Delta 12 7Frontier 5 5Hawaiian 3 Not ratedJetBlue 4 2Northwest 9 Not ratedSouthwest 1 1United 11 10US Airways 10 9Two of the airlines did not have an airline quality score. Use the ranks for the other 10 airlines to fit a least-squares regression line. (Let x = passenger complaint rank and y = airline quality score. Round your values to three decimal places.)
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Ответ:
AD = DE = The radius o the greatest circle.
4)The sum of the angles of any triangle equate is 180 degrees.
5)Measure DCA = Measure CAD, Measure DAE = Measure AED.
9)Statment 8.