(Solved): The following data represent the monthly phone use, in minutes, of a customer enrolled in a fra ...

The following data represent the monthly phone use, in minutes, of a customer enrolled in a fraud prevention program for the past 20 months. The phone company decides to use the upper fence as the cutoff point for the number of minutes at which the customer should be contacted. Whaf is the cutoff point? The cutoff point is minutes. (Round to the nearest minute.)