JAMB 2017 · UTME (set 2) · Q14
Find the sum of the range and the mode of the set of numbers 10, 9, 10, 9, 8, 7, 7, 10, 8, 10, 8, 4, 6, 9, 10, 9, 7, 10, 6, 5.
Worked solution (try it first)
- The range is highest minus lowest: .
- Count the values: 10 appears six times, more than any other, so the mode is 10.
- So the sum is , option A.