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Illustration 1
In a described exam the scores for 10 students were given as:
Student
Mark (x)
|x-x¯|
A
60
1.8
B
45
16.8
C
75
13.2
D
70
8.2
E
65
3.2
F
40
21.8
G
69
7.2
H
64
2.2
I
50
11.8
J
80
18.2
Total
618
104.4
Required
Find out the absolute mean deviation
Mean, x¯ = 618/10 = 61.8
Determine Rank Correlation Coefficient A group of 8 accountancy students are tested in Quantitative Techniques and Law II. Their rankings in the two tests were as:
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The probability that a person will get an electric contract is 2/5 and the contract that he will not get plumbing contract is 4/7.If the probability of getting at least one contra
1-tan^2 A/1+tan^2 = cos A - sinA/cos A
The perimeter of a parallelogram is 50 cm. The length of the parallelogram is 5 cm more than the width. Find the length of the parallelogram. Let w = the width of the parallelo
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50387 divided by 21
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