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For Questions 1, 2, 3, please use the following data representing the number of flights delayed more than 3 hours at US airports in a recent 12-month period. Consider these data a population when calculating standard deviation. Month Delayed Flights March 71 April 74 May 34 June 298 July 107 August 66 September 6 October 11 November 4 December 34 January 20 February 60 Please define the 90th percentile value in these data. Please use the method described in the class textbook. Please do not use the Excel formula. Car.hu For Questions 1, 2, 3, please use the following data representing the number of flights delayed more than 3 hours at US airports in a recent 12-month period. Consider these data a population when calculating standard deviation. Month Delayed Flights March 71 April 74 May 34 June 298 July 107 August 66 September 6 October 11 November 4 December 34 January 20 February 60 Please define the 90th percentile value in these data. Please use the method described in the class textbook. Please do not use the Excel formula. Car.hu