Data Ujian Statistik

No.		Interval		Nilai Tengah	f	fx	fk
1	40	-	50	45	1	4,0 %	1
2	51	-	61	56	2	8,0 %	3
3	62	-	72	67	4	16,0 %	7
4	73	-	83	78	11	44,0 %	18
5	84	-	94	89	6	24,0 %	24
6	95	-	105	100	1	4,0 %	25
	Rata-rata	=	76,0	Jumlah	25

Contoh Tabel frekuensi


Data Nilai hasil Ujian

1	78
2	84
3	55
4	55
5	62
6	77
7	57
8	85
9	73
10	81
11	91
12	86
13	86
14	99
15	53
16	58
17	82
18	88
19	74
20	94
21	84
22	78
23	61
24	57
25	60