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WAEC Mathematics 2022 Paper

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Question : 36

Total: 47

The age (years) of some members in a singing group are: 12, 47, 49, 15, 43, 41, 13, 39, 43, 41 and 36.

33.35
35.54
34.45
36.44

Solution:

$\frac{12+47+49+15+43+41+13+39+43+41+36}{11}$

= $\frac{379}{11}$

= 34.45

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