Find Quartile Deviation for the following data.
Marks
0-10 10-20 20-30
No. of students 12
18
26
30-40
40-50
15
09
Answers
Answered by
1
Step-by-step explanation:
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
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