Weighted mean-progression, Mathematics

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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	55	60	3300
		w = 285	wx = 18005

Weighted mean

That is = Ewx/Ew

= 18005/285

= 63.17 percent

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