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Mean for Frequency Distribution Table

The weights i...

Question

The weights (in $K i l o g r a m s$ ) of $12$ parcels posted at a post office are remainder below.
$0.56, 1.24, 0.17, 1.33, 4.56, 0.95, 1.05, 1.22, 0.35, 0.66, 1.28$
Calculate the mean weight.

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Solution

$\frac{0.56 + 1.24 + 0.17 + 1.33 + 4.56 + 0.95 + 1.05 + 1.22 + 0.35 + 0.66 + 1.28}{12}$
$= 1.114 k g$ .

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