The mean score is - JAMB Mathematics 2001 Question
A
7.0
B
8.7
C
9.5
D
11.0
correct option: b
Mean ((43) + (75) + (82) + (117) + (132) + (81))/20
(12 + 35 + 16 + 77 + 26 + 8)/20
174/20 = 8.7
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