Q. 6. For the following class frequency distribution,
draw the cumulative frequency polygon (or ogive) of
less than type:(June 2001, Jan.
2001, Dec. 2000)
Class
|
Frequency
|
1-4 |
3
|
4-7 |
5
|
7-10 |
4
|
10-13 |
1
|
13-16 |
6
|
16-19 |
7
|
19-22 |
5
|
22-25 |
14
|
25-28 |
1
|
28-31 |
4
|
Solution.
Class
|
Frequency
|
Cumulative Frequency
(<)
|
1-4 |
3
|
3
|
4-7 |
5
|
8
|
7-10 |
4
|
12
|
10-13 |
1
|
13
|
13-16 |
6
|
19
|
16-19 |
7
|
26
|
19-22 |
5
|
31
|
22-25 |
14
|
45
|
25-28 |
1
|
46
|
28-31 |
4
|
50
|
The following figure depicts Ogive of less than type:
|