Use the results from Exercise 1 "Statistics" with the range rule of thumb to find arrival times separating those that are significantly low and those that are significantly high. Is the arrival delay time of 103 min significantly high?
Listed below are the arrival delay times (min) of randomly selected American Airlines flights that departed from JFK in New York bound for LAX in Los Angeles. Negative values correspond to flights that arrived early and ahead of the scheduled arrival time.
-30 -23 14 -21 -32 11 -23 28 103 -19 -5 -46