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Below are the scores of group of students in a music test \(\begin{array}{c|c}scores & 1...

Mathematics
JAMB 1987
Below are the scores of group of students in a music test
\(\begin{array}{c|c}scores & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 \\ \hline \text{No, of students} & 3 & 6 & 10 & 8 & 6 & 5 & 2 & 4 & 12\end{array}\)
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
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Correct Answer: Option B
Explanation
CF (6) = 5 + 6 + 8 + 10 + 6 + 3

= 38
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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