Use this table to complete the tasks that follow it.

Question

Height (in inches) Frequency
50-52 5
53-55 8
56-58 12
59-61 13
62-64 11



Identify the class width.
Identify the midpoint of the first class.
Identify the class boundaries of the first class.
Give the relative frequency for each class.

Answer 1

The first class includes 50, 51 and 52. What do you think its width would be?

The class boundaries include .5 value above and below the indicated class.

Of the 3 numbers above, what would be the midpoint?

The relative frequency is the number of scores in each class divided by the total number of scores.

You can do the calculations.