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WAEC - Mathematics (1991 - No. 35)
Find the mean of the distribution
3.5
4.0
4.4
5.0
5
Forklaring
\(\bar{x}\) = \(\frac{2 + 14 + 15 + 16 + 45 + 42 + 42}{40}\) = \(\frac{176}{40}\) = 4.4
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