Question

use the given minimum and maximum data entries, and the number of classes, to find the class width, the lower class limits, and the upper class limits. minimum = 9, maximum = 73, 6 classes the class width is 11. choose the correct lower class limits below. a. 9, 20, 31, 42, 53, 64 b. 9, 19, 31, 41, 52, 64 c. 20, 30, 42, 53, 64, 74 d. 19, 30, 42, 52, 63, 74

Explanation:

Step1: Determine first lower limit

The first lower - class limit is the minimum value, which is 9.

Step2: Find subsequent lower limits

Since the class width is 11, we find the next lower - class limits by adding 11 successively.
$9 + 11=20$
$20 + 11 = 31$
$31+11 = 42$
$42 + 11=53$
$53+11 = 64$

Answer:

A. 9, 20, 31, 42, 53, 64