The following histogram represents the number of pages in each book within a collection.What is the frequency of books containing at least 250 but less than 400 pages?
A)7
B)10
C)11
D)12

Question

The following histogram represents the number of pages in each book within a collection.What is the frequency of books containing at least 250 but less than 400 pages? 
A)7 
B)10 
C)11 
D)12

Quizplus · Accepted Answer

To find the frequency of books containing at least 250 but less than 400 pages, we need to add up the heights of the bars for the corresponding range on the x-axis. From the histogram, we see that there are 11 bars that represent books with page counts between 250 and 399. Therefore, the frequency of books containing at least 250 but less than 400 pages is 11. So, the answer is C.

The Following Histogram Represents the Number of Pages in Each