Weighted mean
- It is the mean which employs arbitrarily given weights
- This is a useful measure especially whereas assessment is being done yet the situation prevailing are not the similar. It is particularly true when assessment of students is being done described that the subjects being taken have different levels of difficulties.
Illustrations
The given table shows that marks scored by a student doing section of CPA
|
Subject
|
Scores (x)
|
Weight (w)
|
wx
|
|
STAD
|
65
|
50
|
3250
|
|
BF
|
63
|
40
|
2520
|
|
FA2
|
62
|
45
|
2340
|
|
LAW
|
80
|
35
|
2800
|
|
QT
|
69
|
55
|
3795
|
|
FA3
|
55
|
60
|
3300
|
|
|
|
w = 285
|
wx = 18005
|
Weighted mean
That is = Ewx/Ew
= 18005/285
= 63.17 percent