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Questions  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class11  >>  Statistics
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Q)

The mean of a set of observation is $ \overline x$. If each observation is divided by $ a, a \neq 0$ and then is increased by 10, then mean of the new set is

$\begin {array} {1 1} (A)\;\large\frac{\overline x}{a} & \quad (B)\;\large\frac{\overline x+10}{a} \\ (C)\;\large\frac{\overline x+10a}{a} & \quad (D)\;a\overline x+b \end {array}$

 

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