Q)
(chatquestion)...10
Find the M.D from A.M. of the following distribution :
50 59
30-39
90-99
40-49
Class
70-79
80-89
60-69
No.of Students
11
7.
32
25
3.
20
Find the M.D from median of the following frequency distribution
4
3.
19
9.
16
c.f
Find the mean deviation about mean of first 2n +1 natural numbers from mean.
23
...
