CBSE Class 9 Answered
Construct a frequency polygon for the
following data:
Age
0 - 2
2 - 4
4 - 6
6 - 8
8 - 10
10 - 12
12 - 14
14 - 16
16 - 18
Frequency
2
4
6
8
9
6
5
3
1
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
First we obtain the class marks as given in the following table.
|
Age |
Class-mark |
Frequency |
|
0 -2 |
1 |
2 |
|
2 - 4 |
3 |
4 |
|
4 - 6 |
5 |
6 |
|
6 - 8 |
7 |
8 |
|
8 - 10 |
9 |
9 |
|
10 - 12 |
11 |
6 |
|
12 - 14 |
13 |
5 |
|
14 - 16 |
15 |
3 |
|
16 - 18 |
17 |
1 |
Now we plot the points on the graph.
Answered by | 04 Jun, 2014, 03:23: PM
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