a) Employ the frequency distribution to make a probability distribution, find out the (b) mean,(c) variance and (d) standard deviation of probability distribution and (e) interpret the results in context of real life situation.
Extracurricular Activies:
The number of schoolrelated extracurricular activities for each student
Activities

0

1

2

3

4

5

6

7

Students

19

39

52

57

68

41

27

17
