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balandron [24]
3 years ago
12

A park ranger observed the number and ages of children who visited the park on a Friday morning. The results of his observations

are in the chart. How many children between the ages of 9 and 15 visited the park?

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
8 0
ANSWER

The number of children between the ages of 9 and 15 who visited the park is
20


EXPLANATION


The number of children between the ages of 9 and 15 who visited the park are those within the age group 9 to 12 and 12 to 15.


We can from the graph that, the height of the bar that corresponds to the age group 9 to 12

= 14
and the height of the bar that corresponds to the age group 12 to 15

= 6


The sum of the two frequencies

= 14 + 6 = 20
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