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The following are the masses (in kg) of members in a club: 59, 44, 53,...

Mathematics
WAEC 2024

The following are the masses (in kg) of members in a club: 59, 44, 53, 49, 57, 40, 48, and 50. Calculate the mean mass.

  • A. 44 kg
  • B. 50 kg
  • C. 40 kg
  • D. 53 kg
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Correct Answer: Option B
Explanation

Mean(\(\overline{x}\)) = \(\frac{\sum{x}}{n}\)

 Mean(\(\overline{x}\)) = \(\frac{ 59 + 44 + 53 + 57 + 49 + 40 + 48 + 50}{8}\)

Mean(\(\overline{x}\)) = \(\frac{397}{8}\) ≈ 50 kg


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