Question

0-40
40-30
C.I. 10-20
201 20-30
f 5 7
2
8
9
1
10
[Ans. 0.778 or 0.66
14. Find out range and it's coefficient.
Age in years
16-20 21-25 26-30 31-35
No. of Persons
-10
15
17
8
[Ans. 20 and 0.392 or 15 and 0.29
15.
Calculate the inter quartile range and it's coefficient from the following data
X: 75, 70, 60, 80, 85, 83, 90, 80, 88, 95, 85, 86.
[Ans. 11.25 and 0.06
16. Find out inter quartile range from the following data :
Marks
30 10 20 12 15 35 50 55
No. of Students
16
12 6 8 3 5 6
[Ans. 15 and 0
17.
Find the Quartile Range and its Coefficient from the following data :
Marks :
10 15 20 25 30 35 40
No. of students 5 9 18 24 10 3
2
[Ans. 5 and
4​

Answer 1

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Answer 2

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