1.

The mean of the series x1, x2… xn is X̅. If x2­ is replaced by λ, then what is the new mean?

A. X̅ - x2 + λ
B. \(\frac{{\bar X - {x_2} - \lambda }}{n}\)
C. \(\frac{{\bar X - {x_2} + \lambda }}{n}\)
D. \(\frac{{n\bar X - {x_2} + \lambda }}{n}\)
Answer» E.


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