JAMB - Mathematics (2002 - No. 34)
Find the mean of the data: 7, -3, 4, -2, 5, -9, 4, 8, -6, 12
3
4
1
2
คำอธิบาย
\(Mean: \frac{7 + (-3) + 4 + (-2) + 5 + (-9) + 4 + 8 + (-6) + 12}{10} = \frac{20}{10}\)
= 2
\(Mean: \frac{7 + (-3) + 4 + (-2) + 5 + (-9) + 4 + 8 + (-6) + 12}{10} = \frac{20}{10}\)
= 2