If the standard deviation of the numbers 2, 4, 5 & 6 is a constant a, – McqOptions

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1.	If the standard deviation of the numbers 2, 4, 5 & 6 is a constant a, then find the standard deviation of the numbers 4, 6, 7 & 8.
A.	a + 2
B.	2a
C.	4a
D.	a
Answer» E.

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