11. If a constant 5 is added to
each observation of a set, the
mean is *
A. increased by 5
B. decreased by 5
C. 5 times the original mean
D. not affected
each observation of a set, the
mean is *
A. increased by 5
B. decreased by 5
C. 5 times the original mean
D. not affected
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Step-by-step explanation:
(a) increased by 5
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