Below are the scores of group of students in a music test: Scores123456789No of students36108652412 Scores 1 2 3 4 5 6 7 8 9 No of students 3 6 10 8 6 5 2 4...

Below are the scores of group of students in a music test:

$\begin{array}{cccccccccc}\text{Scores}& 1& 2& 3& 4& 5& 6& 7& 8& 9\\ \text{No of students}& 3& 6& 10& 8& 6& 5& 2& 4& 12\end{array}$

If CF(x) is the number of students with scores less than or equal to x, find CF(6)

Answer Details

CF (6) = 5 + 6 + 8 + 10 + 6 + 3
= 38