0:00:00.003,0:00:04.735 Cari Julat dan Julat Pertengahan [br]bg set no. berikut. 0:00:04.735,0:00:06.923 Julat menunjukkan beza nilai 0:00:06.923,0:00:08.738 bagi nombor-nombor. 0:00:08.738,0:00:10.258 Utk mengira Julat, 0:00:10.258,0:00:12.044 Julat = Nilai terbesar - 0:00:12.044,0:00:14.506 nilai terkecil. 0:00:14.506,0:00:15.833 0:00:15.833,0:00:17.187 Dari set no. ini, 0:00:17.187,0:00:18.055 nilai yg terbesar 0:00:18.055,0:00:20.562 ialah no. yg dibulatkan, iaitu 94. 0:00:20.562,0:00:23.191 0:00:23.191,0:00:25.418 0:00:25.418,0:00:27.481 Kita akan tolak dgn 0:00:27.481,0:00:29.466 nilai yg terkecil. 0:00:29.466,0:00:31.131 Dlm set ini, nilai terkecil 0:00:31.131,0:00:32.320 ialah 65. 0:00:32.320,0:00:33.959 0:00:33.959,0:00:36.408 Maka Julat = 94 - 65 0:00:36.408,0:00:38.133 0:00:38.133,0:00:40.822 0:00:40.822,0:00:42.562 0:00:42.562,0:00:44.426 = 29 0:00:44.426,0:00:48.165 Semakin besar Julat, 0:00:48.165,0:00:50.969 semakin besar beza antara nilai[br]dlm set data. 0:00:50.969,0:00:54.194 Semakin kecil Julat, 0:00:54.194,0:00:58.557 semakin kecil beza antara nilai [br]dlm data. 0:00:58.557,0:01:01.552 Julat pertengahan sama maksud dgn [br]Kecenderungan Memusat, 0:01:01.552,0:01:05.297 atau Purata. [br]Maka, Julat Pertengahan 0:01:05.297,0:01:09.744 ialah Purata kpd [br] 0:01:09.744,0:01:12.987 nilai terkecil + terbesar. 0:01:12.987,0:01:17.786 Ingat, Julat = beza nilai.[br]Julat pertengahan = Purata nilai. 0:01:17.786,0:01:27.272 Julat Pertengahan = (94 + 65) รท 2 0:01:27.272,0:01:32.532 0:01:32.532,0:01:39.697 0:01:39.697,0:01:45.273 = 159/2, 0:01:45.273,0:01:49.996 79.5 0:01:49.996,0:01:52.810 0:01:52.810,0:01:57.556 0:01:57.556,0:01:59.886 0:01:59.886,0:02:02.600 Inilah Julat dan Julat Pertengahan.