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A.M. of a-2, a, a+2 is ____.

Question

A.M. of $a - 2$ , $a$ , $a + 2$ is ____.

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Charlotte Discussed

A.M. of

a - 2

a

a + 2

is ____.

7 mins ago

Discuss this question LIVE

7 mins ago

Text solutionVerified

Arithmetic mean

= \frac{Sum of all observations}{No. of observations}

\Rightarrow

A.M

= \frac{a - 2 + a + a + 2}{3} = \frac{3 a}{3}

\Rightarrow

A.M

= a

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