The following marks were obtained by twenty students in an examination: 53, 30, 70, 84,...

JAMB 1993

The following marks were obtained by twenty students in an examination: 53, 30, 70, 84, 59, 43, 90, 20, 78, 48, 44, 60, 81, 73, 50, 37, 67, 68, 64, 52. Find the numbers of students who scored at least 50 marks

A. 6
B. 10
C. 13
D. 14

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Correct Answer: Option D

Explanation

Number of students scoring at least 50 marks = Number of students scoring 50 and above

From the table 53, 70, 84, 59, 90, 60, 81, 73, 50, 37, 67, 68, 64, 52. Hence, 14 students scored at least 50 marks

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