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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?

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 child class=

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ANSWER

The number of children between the ages of 9 and 15 who visited the park is
[tex]20[/tex]


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

[tex] = 14[/tex]
and the height of the bar that corresponds to the age group 12 to 15

[tex] = 6[/tex]


The sum of the two frequencies

[tex] = 14 + 6 = 20[/tex]

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