Calculate the standard deviation and its coefficient from the following data also find the 3.
coefficient of variation.
a.
20
30
40
80
60
70
10
50
Marks
No. of Students
b.
2
3
4
8
6
7.
1
5 can u plz solve it ​

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the answer would be 50's sitcoms reinforced traditional roles for men and women.

hernan cortes;

explanation: