Question

Marks
30
12
10
16
Frequency
22. Find the standard deviation and coefficient of variation
distribution of daily wages.
1 - 20 21 - 40
41 - 60
81 - 100
1
61 - 80
Daily wages
32
5
45
17
Frequency
23. Compute the coefficient of variation for the following data
60 - 80
40 - 60
0 - 20 / 20 - 40
Class
80 - 100
Frequency
6. 32.
45
17
0
24. Obtain the standard deviation for the following data :
Class 20-40 40-60 60 - 80 80 - 100
Frequency
6
8
4
2.​

Answer 1

Answer:

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Step-by-step explanation:

only for gi rls