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JEE MATHEMATICS MCQ: STATISTICS

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Application +4 | -1

The arithmetic means of a set of observations is

\bar{x}

. If each observation is divided by

\beta

and then it is increased by 12 , then the mean of the new series is

View answer and explanation

Correct option: A

\frac{\bar{x}}{\beta}+12

Option A (

\frac{\bar{x}}{\beta}+12

) is correct because dividing each observation by

\beta

and adding 12 affects the mean in the same way.

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