tentukanlah kuartil bawah, median, kuartil atas, jangkauan interkuartil dan simpangan kuartil 14 12 15 13 12 11 14 13 12 15 11 12

11, 11, 12, 12, 12, |12, 13,|13, 14, 14, 15, 15

K2 = 12 + 13          K1 = 11, 11, |12, 12,| 12, 12,    K3 =13, 13, |14, 14,| 15,15 

      = 25/2 = 1,25        = 12 + 12                                   = 14 + 14

                                    = 24/2 = 12                                = 28/2 = 14

Jangkauan interkuartil                       Simpangan interkuartil

= K3 - K1                                           = 1/2 (K3 - K1)

= 14 - 12  = 2                                     = 1/2 (14 - 12)

                                                          = 1/2 . 2   = 1