The standard deviation of the numbers \( 31,32,33, \ldots \),
P 46,...
The standard deviation of the numbers \( 31,32,33, \ldots \),
P 46, 47 is
(1) \( \sqrt{\frac{17}{12}} \)
(2) \( \sqrt{\frac{47^{2}-1}{12}} \)
(3) \( 2 \sqrt{6} \)
(4) \( 4 \sqrt{3} \)
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