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Question

Mathematics Question on Variance and Standard Deviation

Let is the mean of the variate values X1, X2,..., XN. If a constant value A is subtracted from each variate value, then the resulting new mean is

A

x‾−A\overline{x}-A

B

x‾−NA\overline{x}-NA

C

x‾A\overline{x}A

D

x‾\overline{x}

Answer

x‾−A\overline{x}-A

Explanation

Solution

The correct option is(A): x‾−A\overline{x}-A