Choose the correct alternative answer fo...

Choose the correct alternative answer for cach of the following question
If `overlinex` the mean of `x_1, x_2`,…..`x_n` and `overline y` is the mean of `y_1, y_2` ….,`y_n`, then `overline z` = ?

A

`(overline x + overline y)/2`

B

`(overline x + overline y)`

C

`(overline x + overline y)/n`

D

`(overline x + overline y)/2n`

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The correct Answer is:

A

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