PROBABILITAS

15	32	45	46	42	39	68	47	18
31	48	49	56	52	39	48	69	61
44	42	38	52	55	58	62	58	48
56	58	48	47	52	37	64	29	55
38	29	62	49	69	18	61	55	49

Banyak Kelas = 1 + 3,322 log n
                        = 1 + 3,322 log 45
                        = 6,492
                        = 7 kelas

Interval = rentang / kelas
              = (69 - 15) / 7
              = 54 / 7
              = 7,714
              = 8

faza dhifan pratama
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