Determining the relative frequency using cutpoints and a given set of data.

For the following data set, what is the relative frequency of the class with a lower cut point at 100 and upper cutpoint at 150?

{0, 41, 65, 83, 103, 112, 138, 150, 178, 232}

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To get the relative frequency we have to divide this number by the total number of points which is 10. So the answer is 0.4.

This solution holds if we consider a class to ...