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NECO 2024 · Paper 1 · Q49

Given the numbers 11, 8, 9, 6, 4, 3, 10, 2, 6, 5, calculate the mean.

Worked solution (try it first)
  1. Add the ten numbers: 11+8+9+6+4+3+10+2+6+5=6411 + 8 + 9 + 6 + 4 + 3 + 10 + 2 + 6 + 5 = 64.
  2. Divide by 10: the mean is 6410=6.4\frac{64}{10} = 6.4, option C.

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