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If the arithmetic mean of the numbers x1...

If the arithmetic mean of the numbers `x_1 , x_2, x_3,……., x_n` is `barx`, then the arithmetic mean of the numbers `ax_1 + b, ax_2 + b, ax_3 + b, ……, ax_n + b`, where a and b are two constants, would be:

A

`barx`

B

`nabarx+nb`

C

`abarx`

D

`abarx+b`

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The correct Answer is:
D
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