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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
In pharmaceutical product research doctors visit the place to learn what
(2a+8b)
(a) Assume that A is a m 1 ×m 2 matrix and B is a m 2 ×m 3 matrix. How many multiplications are required to calculate the matrix product AB? (b) Given that A 1 is a 20 × 50 m
what is mean and mode
write in factor form 9x3+9x5
y'' + 2y = 2 - e-4t, y(0) = 1 use euler''s method with a step size of 0.2 to find and approximate values of y
One-sided limits: We do this along with one-sided limits. As the name implies, with one-sided limits we will just looking at one side of the point in question. Following are the
A jet flew at an average speed of 480mph from Point X to Point Y. Because of head winds, the jet averaged only 440mph on the return trip, and the return trip took 25 minutes longer
how to solve addition
Find the number of zeros of the polynomial from the graph given. (Ans:1)
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