Variasi nilai awal kelas 1

22 25 15 19 27 30 18 10 16 12

19 27 24 22 27 27 30 18 19 23

15 20 20 27 25 29 17 15 26 24

32 14 20 20 27 21 15 22 16 19

25 27 18 13 23 25 25 27 24 32

27 30 22 24 16 19 23 25 30 30

27 22 21 22 24 29 17 19 22 26

23 21 24 26 30 32 15 19 20 20

17 22 20 27 29 19 26 30 16 20

17 23 16 22 24 23 24 23 22 22

100

9 Mean 22.4

10 SD 4.8785

32

22

2.44 2.5

11 13.5

13.5 16.0

16.0 18.5

18.5 21.0

21.0 23.5

23.5 26.0

26.0 28.5

28.5 31.0

31.0 33.5

Mencari rata-rata berdasar frekuensi

Mid Fi.Xi Mean 22.35

12.25 36.75

14.75 162.25

17.25 120.75

19.75 375.25

22.25 400.5

24.75 445.5

27.25 299.75

29.75 297.5

32.25 96.75

2235

Δ mean 0.05

18

11

10

3

100

n

Frekuensi

3

11

7

19

18

3

14

21

40

58

76

87

97

100

Jumlah Kelas

Minimum

Maksimum

Rentang

Lebar

Frekuensi Kumulatif

0

2

4

6

8

10

12

14

16

18

20

1 2 3 4 5 6 7 8 9

0.16 6.76 54.76 11.56 21.16 57.76 19.36 153.76 40.96

11.56 21.16 2.56 0.16 21.16 21.16 57.76 19.36 11.56

54.76 5.76 5.76 21.16 6.76 43.56 29.16 54.76 12.96

92.16 70.56 5.76 5.76 21.16 1.96 54.76 0.16 40.96

6.76 21.16 19.36 88.36 0.36 6.76 6.76 21.16 2.56

21.16 57.76 0.16 2.56 40.96 11.56 0.36 6.76 57.76

21.16 0.16 1.96 0.16 2.56 43.56 29.16 11.56 0.16

0.36 1.96 2.56 12.96 57.76 92.16 54.76 11.56 5.76

29.16 0.16 5.76 21.16 43.56 11.56 12.96 57.76 40.96

29.16 0.36 40.96 0.16 2.56 0.36 2.56 0.36 0.16

2380

108.16

0.36

2.56

11.56

92.16

57.76

12.96

5.76

5.76

0.16