Question
$64 m-45 n=289 ; 45 m-64 n=365$
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|
No of children (x)
|
0
|
1
|
2
|
3
|
4
|
5
|
|
No of familles (f)
|
10
|
21
|
55
|
42
|
15
|
7
|

|
Class interval
|
0-6
|
6-12
|
12-18
|
18-24
|
24-30
|
|
Frequency
|
6
|
8
|
10
|
9
|
7
|