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The mean and the range of the set of numbers 1 ... - JAMB Mathematics 1995 Question

The mean and the range of the set of numbers 1, 20, 1.00, 0.90, 1.40, 0.80, 1.20 and 1.10 are me and r
A
1.11
B
1.65
C
1.85
D
2.45
correct option: b

m = 1.05, r = 0.6

m + r = 1.05 + 0.5

= 1.65

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