Answer question number 24 Median Coefficient of dispersion from the following data:
4
6
s
10
12
14
16
2
4
5
3
2
4
[M.D. from Me = 3.24 and Coefficient of M.D. = 0.4051
. Mean and Mean Deviation and coefficient of M.D. for the following distribution:
wages
20
40
30
80-100
10
(Mean = 56, M.D. = 15.2 and Coefficient of M.D. = 0.271
Q.24. Find Mean Deviation from median of the marks secured by 100 students in a class-test as
given below:
rks
No. of students
5
18
66—69
42
69-72
27
72-75
8
[M.D. = 2.251
sing Mean Deviation from median of the income group of 5 and 7 members given below,
compare which of the group has more variability?
4000 4200 4400 4600 4800
Group A
3000 4000 4200 4400 4600 4800 5800
Group B
[Group A: M.D. = 240, Coeff. M.D. = 0.054
Group B: M.D. = 571.4, Coeff. M.D. 0.13
Group B has greater variation)
rd Deviation