If the arithmetic mean of 1,2,3,4,5,6,x, 16 and 18 is 8.0, find the value of

ECONOMICS
JAMB 2001

If the arithmetic mean of 1,2,3,4,5,6,x, 16 and 18 is 8.0, find the value of x?

  • A. 7.0
  • B. 6.0
  • C. 8.5
  • D. 17.0

Correct Answer: D. 17.0



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