1 00:00:00,003 --> 00:00:04,735 Cari Julat dan Julat Pertengahan bg set no. berikut. 2 00:00:04,735 --> 00:00:06,923 Julat menunjukkan beza nilai 3 00:00:06,923 --> 00:00:08,738 bagi nombor-nombor. 4 00:00:08,738 --> 00:00:10,258 Utk mengira Julat, 5 00:00:10,258 --> 00:00:12,044 Julat = Nilai terbesar - 6 00:00:12,044 --> 00:00:14,506 nilai terkecil. 7 00:00:14,506 --> 00:00:15,833 8 00:00:15,833 --> 00:00:17,187 Dari set no. ini, 9 00:00:17,187 --> 00:00:18,055 nilai yg terbesar 10 00:00:18,055 --> 00:00:20,562 ialah no. yg dibulatkan, iaitu 94. 11 00:00:20,562 --> 00:00:23,191 12 00:00:23,191 --> 00:00:25,418 13 00:00:25,418 --> 00:00:27,481 Kita akan tolak dgn 14 00:00:27,481 --> 00:00:29,466 nilai yg terkecil. 15 00:00:29,466 --> 00:00:31,131 Dlm set ini, nilai terkecil 16 00:00:31,131 --> 00:00:32,320 ialah 65. 17 00:00:32,320 --> 00:00:33,959 18 00:00:33,959 --> 00:00:36,408 Maka Julat = 94 - 65 19 00:00:36,408 --> 00:00:38,133 20 00:00:38,133 --> 00:00:40,822 21 00:00:40,822 --> 00:00:42,562 22 00:00:42,562 --> 00:00:44,426 = 29 23 00:00:44,426 --> 00:00:48,165 Semakin besar Julat, 24 00:00:48,165 --> 00:00:50,969 semakin besar beza antara nilai dlm set data. 25 00:00:50,969 --> 00:00:54,194 Semakin kecil Julat, 26 00:00:54,194 --> 00:00:58,557 semakin kecil beza antara nilai dlm data. 27 00:00:58,557 --> 00:01:01,552 Julat pertengahan sama maksud dgn Kecenderungan Memusat, 28 00:01:01,552 --> 00:01:05,297 atau Purata. Maka, Julat Pertengahan 29 00:01:05,297 --> 00:01:09,744 ialah Purata kpd 30 00:01:09,744 --> 00:01:12,987 nilai terkecil + terbesar. 31 00:01:12,987 --> 00:01:17,786 Ingat, Julat = beza nilai. Julat pertengahan = Purata nilai. 32 00:01:17,786 --> 00:01:27,272 Julat Pertengahan = (94 + 65) รท 2 33 00:01:27,272 --> 00:01:32,532 34 00:01:32,532 --> 00:01:39,697 35 00:01:39,697 --> 00:01:45,273 = 159/2, 36 00:01:45,273 --> 00:01:49,996 79.5 37 00:01:49,996 --> 00:01:52,810 38 00:01:52,810 --> 00:01:57,556 39 00:01:57,556 --> 00:01:59,886 40 00:01:59,886 --> 00:02:02,600 Inilah Julat dan Julat Pertengahan.