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The age (years) of some members in a singing group are: 12, 47, 49, 15,...

Mathematics
WAEC 2022

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

  • A. 33.35
  • B. 35.54
  • C. 34.45
  • D. 36.44
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Correct Answer: Option C
Explanation

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

= \(\frac{379}{11}\)

= 34.45

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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Post UTME Past Questions Agent
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts