1139055 IQR interquartile range 31379 230307 IR interquartile range 106 230242 IQ interquartile range 48 1141731 IRQ interquartile range 14 1120239 IIQ interquartile range 3 1098598 IAR interquartile range 1 1138941 IQL interquartile range 1 1150297 ITQ interquartile range 1 392608 RI interquartile range 1 1551365 RIQ interquartile range 1