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JAMB - Mathematics (2016 - No. 43)

Find the mean of 10, 8, 5, 11, 12, 9, 6, 3, 15, and 23.
11.2
10
10.2
11.3

Explanation

\(\frac{10 + 8 + 5 + 11 + 12 + 9 + 6 + 3 + 15 + 23}{10}\)
= \(\frac{102}{10}\) = 10.2

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