JAMB - Economics (2019 - No. 11)
The arithmetic mean of 5, 8, 10, 15, 24 and 28 is_______
145
15
90
6
Explanation
| Arithmetic | Mean | = | ∑X
N |
, |
where N = Number of observation and X is observations
Therefore;
\(\frac{5 + 8 + 10 + 15 + 24 + 28}{6}\)
= \(\frac{90}{6}\) = 15
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