The class interval of the distribution of ages is 10
How to determine the class interval?
To determine the class interval, we simply make use of the first class limits
5 up to 15
Rewrite the first class limits as:
5 - 15
Calculate the difference between the upper and the lower limits
Class interval = 15 - 5
Evaluate the difference
Class interval = 10
Hence, the class interval of the distribution of ages is 10
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