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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
60
3300
w = 285
wx = 18005
That is = Ewx/Ew
= 18005/285
= 63.17 percent
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