1132987 IQR interquartile range 31047 229244 IR interquartile range 105 229169 IQ interquartile range 48 1135636 IRQ interquartile range 14 1114264 IIQ interquartile range 3 1133013 IqR interquartile range 2 1092698 IAR interquartile range 1 1132874 IQL interquartile range 1 1144155 ITQ interquartile range 1 390859 RI interquartile range 1 1543061 RIQ interquartile range 1