Question

Find the mean and standard deviation of the following frequency distribution:
30-34
5-9
5
0-4
2.
10-14
7
15-19
13
20-24
21
25-29
16
35-39
3
Marks
No of
students
8
Pg. 32
.
Like &
Section - B15 Marks)​

Answer 1

75

Step-by-step explanation:

Thanks kar dita hai ki uh is gall da pta laga