Find the mean of:

vi. $5, 2.4, 6.2, 8.9, 4.1$ and $3.4$

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Solution

Find the mean of $5, 2.4, 6.2, 8.9, 4.1$ and $3.4$

Number of data values $= 6$

$Mean = \frac{Sum of all data values or observations}{Number of data values or observations}$

$\Rightarrow Mean = \frac{5 + 2.4 + 6.2 + 8.9 + 4.1 + 3.4}{6}$

$= \frac{30}{6} = 5$

Hence, the mean of $5, 2.4, 6.2, 8.9, 4.1$ and $3.4$ is $5.$

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