JAMB - Mathematics (2000 - No. 35)

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, 10, 9, 7, 10, 6, 5
16
14
12
10

Explanation

Range = Highest - lowest number => 10-4 = 6
Mode is the number with highest occurrence => Mode = 10

Sum = 6 + 10 = 16

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