Question

(4
32. Calculate Standard deviation from the following data by Actual Mean Method:
Marks
0-10 10-20
20-30
30-40 40-50
No. of std.
4
3
6
5
2​

Answer 1

Answer:

ax+ bx+c=o and calculate it

Explanation:

the sums of is formala based question so its came like this put the sum and solve