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: Select a class interval

Take the first class interval \(25 - 38\).

Step2: Calculate the class width

The formula for class width is \(upper - lower\). For the class \(25 - 38\), \(38-25 = 13\).

Answer:

\(13\)