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JAMB Economics 2013 Question 3

Question 3

Tools of Economic Analysis

If the standard deviation of a given data is 53, what is the variance?

  1. A.2082
  2. B.2809
  3. C.2808
  4. D.2209.
Show the answer and explanation

Answer: B (2809)

Explanation

Variance is the square of the standard deviation: 53² = 2809.