Exhibit 2-8.Consider the following frequency distribution. Refer to Exhibit 2-8.How many observations are less than 21?
A)6
B)12
C)18
D)24

Question

Exhibit 2-8.Consider the following frequency distribution.  Refer to Exhibit 2-8.How many observations are less than 21?
A)6 
B)12 
C)18 
D)24

Quizplus · Accepted Answer

From the frequency distribution, we can see that there are 12 observations that are less than 21. We can add up the frequencies of all observations less than 21, which gives us 2+4+6 = 12. Therefore, the answer is B) 12.