The mean of a series $x_1, x_2, \dots, x_n$ is $\bar{X}$. If $x_2$ is replaced by $\lambda$,what will be the new mean?
- A$\frac{\bar{X} - x_2 + \lambda}{n}$
- B$\frac{n\bar{X} + x_2 - \lambda}{n}$
- C$\frac{(n - 1)\bar{X} + \lambda}{n}$
- D$\frac{n\bar{X} - x_2 + \lambda}{n}$
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