Digital SAT Math Practice Question #1643
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No variation = standard deviation is 0. Any spread > 0. So s_A = 0 < s_B.
Standard deviation measures the dispersion of values around the mean. In Data set A, all values are identical, so \(s_A = 0\). In Data set B, values vary around the mean of 10, so \(s_B > 0\). Therefore, \(s_A < s_B\)....
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