Use this table to answer the questions.

Question

Height (in inches)
Frequency

50-52
5

53-55
8

56-58
12

59-61
13

62-64
11


1. Identify the class width.
2. Identify the midpoint of the first class.
3. Identify the class boundaries of the first class.
4. Give the relative frequency for each class.

Answer 1

1. How many values included in the class?

2. The midpoint of 56-58 is 57, but that isn't the first class.

3. Class boundaries of 56-58 = 55.5-58.5.

4. Divide n of class scores by total n of scores.