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A certain list has an average of 6 and a standard deviation of d (d is positive). Which of the following pairs of data

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by BTGmoderatorDC » Wed Dec 22, 2021 7:09 am

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A certain list has an average of 6 and a standard deviation of d (d is positive). Which of the following pairs of data when added to the list, must result in a list of 102 data with standard deviation less than d?

A. (-6;0)
B. (0;0)
C. (0;6)
D. (0;12)
E. (6;6)


OA E

Source: GMAT Prep
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