A. Complete the table and calculate for the mean deviation of the following: Frequency Class Mark
Classes
fx
Ix- *
(0)
818-21
46-50
1
48
48
13.4
13.4
41-45
43
10
430
84
8.4
36-40
10
38
380
32
3.2
31-35
25.6
16
33
528
1.6
26-30
59.4
6.6
9
28
252
21-25
11.6
46.4
4
23
92
Efx = _
f|x - x =
Σf=- = _
MD
f|x - x
Ef
Classes
fx
Ix- *
(0)
818-21
46-50
1
48
48
13.4
13.4
41-45
43
10
430
84
8.4
36-40
10
38
380
32
3.2
31-35
25.6
16
33
528
1.6
26-30
59.4
6.6
9
28
252
21-25
11.6
46.4
4
23
92
Efx = _
f|x - x =
Σf=- = _
MD
f|x - x
Ef
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