MathCastle
StatisticsHardPercentiles and Box Plots

Percentiles and Box Plots · Hard problem

Nine commute times (minutes): 3,41,44,45,47,48,50,52,963, 41, 44, 45, 47, 48, 50, 52, 96. Find the mean after removing every value that is an outlier by the 1.5 IQR1.5\,\text{IQR} rule.