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Krivoblotsky · Answer 1 · 2023-12-27T23:05:38+0000

Solution:

To calculate the estimated mean, we will use the formula below

$mean=(\sum_^fx)/(\sum_^f)$

By substituting the values, we will have

$\begin{gathered} mean=(\sum^fx)/(\sum^f)=((248*1)+(567*2)+(1402*3)+(728*4)+(419*5)+(456*6)+(203*7))/(248+567+1402+728+419+456+203) \\ mean=(14752)/(4023) \\ mean=3.67 \\ mean=4 \end{gathered}$

Hence,

The final answer is approximately

$\Rightarrow4\text{ }$

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