Below are the scores of a group of students in a music test
(begin{array}{c|c}scores & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 \ hline text{No, of students} & 3 & 6 & 10 & 8 & 6 & 5 & 2 & 4 & 12end{array})
If CF(x) is the number of students with scores less than or equal to x, find CF(6)
If CF(x) is the number of students with scores less than or equal to x, find CF(6)
- A.
40 - B.
38 - C.
33 - D.
5
Correct Answer: Option B
Explanation
CF (6) = 5 + 6 + 8 + 10 + 6 + 3
= 38