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The arithmetic mean of 5, 8, 10, 15, 24 and 28 is_______

Economics
JAMB 2019

The arithmetic mean of 5, 8, 10, 15, 24 and 28 is_______

  • A. 145
  • B. 15
  • C. 90
  • D. 6
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Correct Answer: Option B
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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