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Question

Heights of black cherry trees is represented graphically in the histogram given below.


How many trees have height exactly 75 feet?

A
13
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B
5
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C
Can't be determined
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D
10
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Solution

The correct option is C Can't be determined
This is grouped data frequency distribution. Individual height of trees can't be determind from this frequency distribution.

Number of trees having height exactly 75 feet cannot be determind by this but this can be done by ungrouped frequency distribution.

From this distribution, we can only get the group of trees corresponding to the certain range.

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