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 school-related extracurricular activities for each student
|
Activities
|
0
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
|
Students
|
19
|
39
|
52
|
57
|
68
|
41
|
27
|
17
|