Exhibit 2-3
The number of sick days taken (per month) by 200 factory workers is summarized below.
-Refer to Exhibit 2-3. The midpoint of the first class is
A)10
B)2
C)2.5

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 midpoint of the first class is
A)10 
B)2 
C)2.5

Quizplus · Accepted Answer

To find the midpoint of a class, you take the average of the lower limit and upper limit. For the first class, the lower limit is 0 and the upper limit is 5. Thus, the midpoint is (0+5)/2 = 2.5. Therefore, the best choice is C.

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