WAEC - Mathematics (2022 - No. 36)
The age (years) of some members in a singing group are: 12, 47, 49, 15, 43, 41, 13, 39, 43, 41 and 36.
Find the mean
33.35
35.54
34.45
36.44
Explanation
\(\frac{12 + 47 + 49 + 15 + 43 + 41 + 13 + 39 + 43 + 41 + 36}{11}\)
= \(\frac{379}{11}\)
= 34.45
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