Find the mean of the distribution

  • A 3.5
  • B 4.0
  • C 4.4
  • D 5.0
  • E 5
waec 1991mathematics

The correct answer is C. 4.4

\(\bar{x}\) = \(\frac{2 + 14 + 15 + 16 + 45 + 42 + 42}{40}\) = \(\frac{176}{40}\) = 4.4

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