直方圖頻數統計

原數據,原數據-0.5,組距,分數段:可接受區(qū)域,頻率數,累積百分率%,組中值x

1,0.5,0.0-0.5,0,0,0,3

12,11.5,0.5-5.5,0.5,1,1,8

16,15.5,10.5-15.5,5.5,6,7,13

21,20.5,15.5-20.5,10.5,14,21,18

26,25.5,20.5-25.5,15.5,21,42,23

31,30.5,25.5-30.5,20.5,26,68,28

36,35.5,30.5-35.5,25.5,14,82,33

42,41.5,35.5-40.5,30.5,9,91,38

46,45.5,40.5-45.5,35.5,3,94,43

8,7.5,45.5-50.5,40.5,3,97,48

6,5.5,5.5-10.5,45.5,3,100,

10,9.5,,50.5,0,,

12,11.5,,,,,

12,11.5,,,,,

14,13.5,,,,,

14,13.5,,接收,頻率,接收,頻率

14,13.5,,0,0,30.5,25

16,15.5,,0.5,1,25.5,20

18,17.5,,5.5,1,20.5,15

18,17.5,,10.5,2,35.5,15

18,17.5,,15.5,8,15.5,8

19,18.5,,20.5,15,40.5,7

19,18.5,,25.5,20,45.5,4

20,19.5,,30.5,25,10.5,2

20,19.5,,35.5,15,50.5,2

20,19.5,,40.5,7,0.5,1

20,19.5,,45.5,4,5.5,1

20,19.5,,50.5,2,0,0

20,19.5,,其他,0,其他,0

20,19.5,,,,,

21,20.5,,,,,

21,20.5,,,,,

22,21.5,,,,,

22,21.5,,,,,

22,21.5,,,,,

22,21.5,,,,,

22,21.5,,,,,

22,21.5,,,,,

24,23.5,,,,,

24,23.5,,,,,

24,23.5,,,,,

24,23.5,,,,,

24,23.5,,,,,

24,23.5,,,,,

24,23.5,,,,,

24,23.5,,,,,

24,23.5,,,,,

24,23.5,,,,,

24,23.5,,,,,

25,24.5,,,,,

26,25.5,,,,,

27,26.5,,,,,

27,26.5,,,,,

28,27.5,,,,,

28,27.5,,,,,

28,27.5,,,,,

28,27.5,,,,,

28,27.5,,,,,

28,27.5,,,,,

28,27.5,,,,,

28,27.5,,,,,

28,27.5,,,,,

28,27.5,,,,,

28,27.5,,,,,

28,27.5,,,,,

29,28.5,,,,,

29,28.5,,,,,

29,28.5,,,,,

29,28.5,,,,,

30,29.5,,,,,

30,29.5,,,,,

30,29.5,,,,,

30,29.5,,,,,

30,29.5,,,,,

30,29.5,,,,,

32,31.5,,,,,

32,31.5,,,,,

32,31.5,,,,,

32,31.5,,,,,

32,31.5,,,,,

33,32.5,,,,,

34,33.5,,,,,

34,33.5,,,,,

34,33.5,,,,,

34,33.5,,,,,

34,33.5,,,,,

35,34.5,,,,,

35,34.5,,,,,

36,35.5,,,,,

37,36.5,,,,,

38,37.5,,,,,

38,37.5,,,,,

38,37.5,,,,,

39,38.5,,