Question

use the given frequency distribution to find the
(a) class width.
(b) class midpoints.
(c) class boundaries.
(a) what is the class width?
(type an integer or a decimal.)

Explanation:

Step1: Find the class width formula

Class width = Upper - lower of a class. Take the first class \(35 - 38\), \(38-35 = 3\). Check with another class, say \(39 - 42\), \(42 - 39=3\).

Answer:

\(3\)