1.

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:

Answer»

`overlinex`
`naoverlinex + NB`
`aoverlinex`
`aoverlinex + B`

ANSWER :D


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