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If the standard deviation of a set of numbers is 3.6, what is the variance?

Economics
JAMB 2024

If the standard deviation of a set of numbers is 3.6, what is the variance?

  • A. 12.96
  • B. 12.69
  • C. 12.9
  • D. 12.98
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Correct Answer: Option A
Explanation

S.d = √v
Square both side:
Variance = (So)2
Variance = 3.62
V = 3.6 x 3.6
Variance = 12.96


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