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in Statistics by (29.1k points)
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The mean of n observations is \(\overline{X}.\) If k is added to each observation, then the new mean is

A. \(\overline{X}\)

B. \(\overline{X} + \text{k}\)

C. \(\overline{X} - \text{k}\)

D. \(\text{k}\overline{X}\)

1 Answer

+1 vote
by (28.7k points)
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Best answer

Correct answer is B.

Mean = (x1 + x2 + ...+ n terms)/N

= x1 + k + x2 + k +...+n terms/N

= Mean + k

\(\overline{X} + \text{k}\)

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