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If the standard deviation of a given data is 8.2, find its variance

Economics
JAMB 2008

If the standard deviation of a given data is 8.2, find its variance

  • A. 4.1
  • B. 67.2
  • C. 82.0
  • D. 91.8
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Correct Answer: Option B
Explanation

The variance is the square root of the standard deviation. Hence we have;

8.2 x 8.2 = 67.24

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