Calculate the Quartile deviation from the given data: X : 2, 4, 6, 8, 10, 12 F : 3, 5, 10, 12, 6, 4
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Answer:
Arranged data is
3,5,5,7,8,10,12
Q
1
= Value of (
4
n+1
)
th
term =2
nd
term=5
Q
3
= Value of (
4
3n+3
)
th
term =6
th
Term=10
Q.D=
2
Q
3
−Q
1
=2.5
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