The mean of the series {\x}_1, {\x}_2 . . . {\x}_{ {\n}} is \overline{ {\x}} If {\x}_{ {\n}} is replaced by k , then what is the new mean?

\overline{ {\x}}- {\x}_{ {\n}}+ {\k}

{ {\n} \overline{ {\x}}-\overline{ {\x}}+ {\k}}/{ {\n}}

UPSC NDA II 2024 Mathematics Paper

Question : 112 of 120

Marks: +1, -0

The mean of the series x1,x2...xn is x If xn is replaced by k , then what is the new mean?

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