Activity 2: Let's Apply It!
Calculate the mean deviation of the following. Write the complete solution
on your answer sheet. Compute the mean deviation.
Classes
Class Mark
fx
|x - x 1
46-50
41-45
36-40
31-35
26-30
21-25
MD=
Frequency
(f)
1
10
10
16
9
4
Σf=
Σflx-x_
Σf
:48
43
38
33
28
23
48
430
380
528
252
92
Σfx =____
13.4
8.4
3.2
1.6
6.6
11.6
flx-x1
13.4
