Question

1
No. of employees
3
9
. Find S.D. of the following data.
Weekly wage )
x=
30 - 34.99
35 - 39.99
40 - 44.99
45 - 49.99
50 - 54.99
55 - 59.99
60 - 64.99
65 - 69.99
F=
15
27
18
12
9
7
​

Answer 1

Answer:

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