if ˉx\bar{x} = 6 and N = 6, determine the value of ∑fx

  • A 36
  • B 12
  • C 1
  • D 72
jamb 2010economics

The correct answer is A. 36

ˉx\bar{x} = ∑fx  

                     n 

Cross multiply, hence we have; 

∑fx = x * n

6 * 6 = 36

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