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Yangfan · Answer 1 · 2023-09-09T01:04:43+0000

The mean is the average of the numbers.

It is easy to calculate: add up all the numbers, then divide by how many numbers there are

$\bar{x=\frac{\sum ^(\square)_{\text{ of numbers}}}{Number\text{ of items}}\text{ }}$

the numbers given in the question are

there are 7 numbers in total.

Therefore, the mean will be

$\begin{gathered} \operatorname{mean}=(2+11+5+6+13+4+9)/(7) \\ \operatorname{mean}=(50)/(7) \\ \operatorname{mean}=7.143 \\ to\text{ the nearest tenths, the mean is} \\ \operatorname{mean}=7.1 \end{gathered}$

Hence,

the mean of the above set of values to the nearest tenth is = 7.1

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