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...










































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. What is the cutoff​ point?




491


413


455


344




468


347


424


487


373


328


411


509


547


313


470


502


348


328


514


488






The cutoff point is

minutes.

​(Round to the nearest​ minute.)



Jun 08, 2022
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