Calculate coefficient of quartile deviation from the following data: Roll No. 1 2 3 4 5 6 Marks 20 28 40 12 30 50 pls answer fast. I am in big trouble
Answers
Answered by
0
Answer:
Age
10
20
30
4
50
60
Frequency
12
7
16
8
18
22
CF
12
19
35
43
61
83
Q
1
= Value of (
4
n+1
)
th
term =21
nd
term=30
Q
3
= Value of 3(
4
n+1
)
th
term =63
th
Term=60
Q.D=
2
Q
3
−Q
1
=
2
60−30
=15
Answered by
3
Answer:
Coefficient of Quartile Deviation = (Q3 – Q1) / (Q3 + Q1)
Coefficient of Quartile Deviation = (94.5 – 57.25) / (94.5 +57.25)
Coefficient of Quartile Deviation = 0.2454.
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