(vii) The quartile deviation of the following data 12, 10, 17, 18, 19, 21, 27, 30, 32, 38, 34 is
(A) 11
(B) 18
(C) 9
(D) 16
Answers
Answered by
8
Answer:
First Quartile Q1 =
n
+
1
4
th term.
=
10
+
1
4
th term = 2.75th term
= 2nd term + 0.75 × (3rd term – 2nd term)
= 10 + 0.75 × (15 – 10)
= 10 + 3.75
= 13.75
Third Quartile Q3 =
3
(
n
+
1
)
4
th term.
=
3
(
10
+
1
)
4
th term = 8.25th term
= 8th term + 0.25 × (9th term – 8th term)
= 21 + 0.25 × (25 – 21)
= 21 + 1
= 22
Answered by
5
Answer:
option c: 9 is the answer of the quartile deviation of the followling data
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