X’i-1 – X’ Xi Conteo fi Fi hi Hi hi%3-5 4 1 1 0.00833333 0.0083 0.83%5-7 6 3 4 0.025 0.0333 2.50%7-9 8 11 15 0.09166667 0.125 9.17%

9-11 10 19 34 0.15833333 0.2833 15.83%11-13 12 36 70 0.3 0.5833 30.00%13-15 14 29 99 0.24166667 0.8250 24.17%15-17 16 16 115 0.13333333 0.9583 13.33%17-19 18 5 120 0.04166667 1.0000 4.17%

TOTALES 120 1.0000 100%

X n h H PNombre de la variable

3-5 5-7 7-9 9-11 11-13 13-15 15-17 17-190

5

10

15

20

25

30

35

40

13

11

19

36

29

16

5

fi

3-5 5-7 7-9 9-11 11-13 13-15 15-17 17-190

5

10

15

20

25

30

35

40

fi

fi

0.83%2.50%9.17%

15.83%

30.00%

24.17%

13.33%4.17%

hi%

12345678

0.83%2.50%9.17%

15.83%

30.00%

24.17%

13.33%4.17%

hi%

12345678

Hi%0.83%3.33%

12.50%28.33%58.33%82.50%95.83%

100%

P

3-5 5-7 7-9 9-11 11-13 13-15 15-17 17-190

5

10

15

20

25

30

35

40

fi

fi