n   Table 2.2 from the text shows the simple frequency distribution for 212 pull-up scores:

 

 

 

Pull-ups

f

 

20

2

 

19

0

 

18

3

 

17

6

 

16

8

 

15

10

 

14

17

 

13

21

 

12

25

 

11

24

 

10

26

 

9

19

 

8

16

 

7

12

 

6

10

 

5

4

 

4

3

 

3

2

 

2

1

 

1

2

 

0

1

 

 

∑ = 212