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If the mean of list \(A\) is 6.8 and the standard deviation is 3.6, then how many elements of list \(A\) are within 1 unit of the standard deviation of the mean?
\(A = \{2, 9, 2, 6, 9, 10, 7, 4, 5, 14\}\)
A. 3
B. 4
C. 5
D. 6
E. 7
Answer: E
Source: Magoosh
\(A = \{2, 9, 2, 6, 9, 10, 7, 4, 5, 14\}\)
A. 3
B. 4
C. 5
D. 6
E. 7
Answer: E
Source: Magoosh
