Question

& A random survey of the number of children of various age groups playing in a park
was found as follows:
Number of children
Age (in years)
1-2
5
3
2-3
3-5
6
5-7
12
9
7-10
10-15
15-17
Draw a histogram to represent the data above.​

Answer 1

Answer:

Age

(in years) Frequency Width Length of the

rectangle

1 - 2 5 1

1

5

×1=5

2 - 3 3 1

1

3

×1=3

3 - 5 6 2

2

6

×1=3

5 - 7 12 2

2

12

×1=6

7 - 10 9 3

3

9

×1=3

10 - 15 10 5

5

10

×1=2

15 - 17 4 2

2

4

×1=2

Width is not constant. So, we have to first calculate the length of rectangle to draw histogram according to the width as shown in the above figure.

solution