Exhibit 2-3
The number of sick days taken (per month) by 200 factory workers is summarized below.
-Refer to Exhibit 2-3. The class width for this distribution
A)is 5
B)is 6
C)is 20, which is: the largest value minus the smallest value or 20 - 0 = 20
D)varies from class to class

Question

Exhibit 2-3
The number of sick days taken (per month) by 200 factory workers is summarized below. 
-Refer to Exhibit 2-3. The class width for this distribution
A)is 5 
B)is 6 
C)is 20, which is: the largest value minus the smallest value or 20 - 0 = 20 
D)varies from class to class

Quizplus · Accepted Answer

To find the class width, we subtract the lower class limit of one class from the lower class limit of the next class. The limits are given in the form of intervals in the table. So, the class width can be calculated as:
Class width = 15 - 9 = 6
Therefore, the best choice is B.

Exhibit 2-3 The Number of Sick Days Taken (Per Month) by 200