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The arithmetic mean of a set of observat...

The arithmetic mean of a set of observations is `bar(X)`. If each observation is divided by `alpha` and then is increased by 10, then the mean of the new series is

A

`(vec(X))/(alpha)`

B

`(vec(X) + 10)/(alpha)`

C

`(vec(X) + 10 alpha)/(alpha)`

D

`alpha vec(X) + 10`

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The correct Answer is:
C
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