Question

identify the class width for the given frequency distribution.
weight (lbs)\tfrequency
200 - 204\t6
205 - 209\t5
210 - 214\t12
215 - 219\t36
220 - 224\t87
225 - 229\t28
230 - 234\t0
235 - 239\t0
(1 point)
○ 4.5
○ 5
○ 4

Explanation:

Step1: Recall class - width formula

Class width = Upper - class limit - Lower - class limit.

Step2: Select a class

Let's take the first class 200 - 204.

Step3: Calculate class width

Upper - class limit = 204, Lower - class limit = 200. Class width = 204 - 200=4.

Answer:

4