2002
Mathematics
JAMB
Find the mean of the data: 7, -3, 4, -2, 5, -9, 4, 8, -6, 12
A.
3
B.
4
C.
1
D.
2
Correct Answer: 2
Explanation
Mean: [7+(−3)+4+(−2)+5+(−9)+4+8+(−6)+12]/(10) = 20/10 = 2
Mean: [7+(−3)+4+(−2)+5+(−9)+4+8+(−6)+12]/(10) = 20/10 = 2THIS WEEK's
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