JAMB 1993 · UME · Q44
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 number of students who scored at least 50 marks.
Worked solution (try it first)
- It is quicker to count the marks below 50: 30, 43, 20, 48, 44 and 37, which is 6 students.
- So students scored at least 50, option D.