6 (11)

Next question What are the chances your flight will leave on time? To the right are a n 72 histogram and summary statistics for the percentage of flights departing on 20 time each month from 2001 thru 2006. There is no evidence of a trend over y 80.1806 15 # of Months time. (The correlation of On Time Departure % with time is r = - 0.014.) S 2.50533 Complete parts a) through c) below. Em 65 80 95 OT Departure % a) Check the assumptions and conditions for inference. Is the independence assumption met? Yes No