If X1, X2, X3, ... Xn, be n observations having arithmetic mean and if Y =4X ± 2, then is equal to:
A)4X
B)4
C)4 ± 2
D)4 ± 2.

Name: If X1, X2, X3, ... Xn, be n observations having arithmetic mean and if Y =4X ± 2, then is equal to: A)4X B)4 C)4 ± 2 D)4 ± 2.
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The Answer of If X1, X2, X3, ... Xn, be n observations having arithmetic mean and if Y =4X ± 2, then is equal to:
A)4X
B)4
C)4 ± 2
D)4 ± 2.