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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
What is 2 1/9 - 4 1/2
Union of Sets Venn diagram presenting the union of sets A and B or A?B = Shaded area is demonstrated below: A ?B = Shaded area
Which of the following statements do you think are true about children? Indicate with 'T' for true and for false. Give reasons for your choice. a) Most primary school children a
Definition of a Function Now we need to move into the second topic of this chapter. Before we do that however we must look a quick definition taken care of.
Two events A and B are independent events if the occurrence of event A is in no way related to the occurrence or non-occurrence of event B. Likewise for independent
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