Help me out on this question please I do t understand .

asked Apr 21, 2023 95.5k views

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The mean of a set of data can be found through the formula

$\bar{x}=(\sum ^n_(i\mathop=0)x_i)/(n)$

then, the mean water level can be found as

$\begin{gathered} \bar{x}=(7+2+8+7+2+8+6+5+9)/(9) \\ \bar{x}=(54)/(9) \\ \bar{x}=6 \end{gathered}$

Matthes answered Apr 27, 2023

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