Question

261
A fandom survey of the number of children of various age groups playing in a park
was found as follows:
Age (in years)
Number of children
1-2
2-3
3-5
5-7
7-10
10-15
15-17
& õ on a wir
10
Draw a histogram to represent the data above.
and a frequency
why do we have to find the length of the rectangle?​

Answer 1

Answer:

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