Q. 155.0( 1 Vote )

Find the

Answer :


The first 10 multiples of 3 are 3, 6, 9, 12, 15, 18, 21, 24, 27, 30.

Mean =

Now, 32 + 62+92+122+152+182+212+ 242+ 272+302. = 3465

Variance =

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