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Find the mean of the first …

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Find the mean of the first six multiplies of 3

Posted by Emi Lima 5 years, 11 months ago

CBSE > Class 09 > Mathematics

2 answers

Mr. X 5 years, 11 months ago

No idea

0Thank You

Yogita Ingle 5 years, 11 months ago

3,6,9,12,15,18 are first three multiples of 3.

we know that ,

{tex}mean =\frac{sum \: of \: the \: observations }{number \: of \: observations }{/tex}

{tex}mean =\frac{3+6+9+12+15+18}{6}\\=\frac{63}{6}\\=\frac{21}{2}\\=10.5{/tex}

Therefore,

mean = 10.5

1Thank You

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CBSE > Class 09 > Mathematics