Construct a frequency distribution with five classes for the following data:

Question

82, 76, 88, 77, 90, 71, 66, 120, 111, 108, 93, 116, 74.

There are 13 data points, so how do I divide them into five classes of equal size?

Answer 1

Range is 66-120 = 54
To cover that range, 54/5 = almost 11.