If the standard deviation in commuting time to work is 9 minutes, the variance is
A) 3 minutes
B) 9 minutes
C) 18 minutes
D) 81 minutes

Name: If the standard deviation in commuting time to work is 9 minutes, the variance is A) 3 minutes B) 9 minutes C) 18 minutes D) 81 minutes
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Quizplus · Accepted Answer

The variance is equal to the standard deviation squared, so the variance in this case would be 9^2 which equals 81. Therefore, option D is the correct answer.

If the Standard Deviation in Commuting Time to Work Is