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Grillo · Answer 1 · 2023-10-01T08:16:47+0000

It is important to know that the sample would be the starters and the population is all members.

So, let's use the mean formula to find the mean sample

$\bar{x}=(\Sigma(x))/(n)$

Where n = 21.

Now, we have to add all the heights of the starter players.

$\begin{gathered} \Sigma(x)=75+81+72+84+79+68+77+84+79+78+83+76+83+71+80+75+77+84+77+80+75 \\ \Sigma(x)=1638 \end{gathered}$

Then, we divide

$\bar{x}=(1638)/(21)=78$

Therefore, the mean sample is 78 inches.

Now, let's find the population mean using all team data instead

$\mu=(\Sigma(x))/(N)$

Where N = 35. Let's do the same process.

$\begin{gathered} \mu=(75+80+69+77+70+77+68+81+80+77+80+84+72+69+79+84+75+78+84+76+79+83+72+77+75+76+79+84+78+76+71+83+75+69+77)/(75) \\ \mu=(2689)/(35)=76.83 \end{gathered}$

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Therefore, the mean sample is 78 inches.

Therefore, the mean population is 76.83 inches.

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