JAMB 2015 · UTME · Q20
Marks scored by some children in an arithmetic test are 5, 3, 6, 9, 4, 7, 8, 6, 2, 7, 8, 4, 3, 2, 1, 0, 6, 9, 0, 8. The arithmetic mean of the marks is
Worked solution (try it first)
- Add the 20 marks: the total is 98.
- Divide by 20: .
- To the nearest whole number the mean is 5, option B.