91Ó°ÊÓ

Consider the data of five teenagers in each region of the country to state decision and conclusions:

$\begin{array}{|lllll|}\hline \text{Northeast}& \text{South}& \text{West}& \text{Central}& \text{East}\\ 16.3& 16.9& 16.4& 16.2& 17.1\\ 16.1& 16.5& 16.5& 16.6& 17.2\\ 16.4& 16.4& 16.6& 16.5& 16.6\\ 16.5& 16.2& 16.1& 16.4& 16.8\\ \hline\end{array}$

Use $Ti-83$calculator to state decisions and conclusions. For this, click on START $→$press $1→$EDIT, then put the above given weights of different groups data into the list $L1,L2$, and $L3$. The screenshot is given as below:

Now Again press START $→$arrow over the TESTS $→$arrow down to ANOVA $→$Press var then select $1$, press var then select $2$, press var then select $3$, press var then select $4$and press var then select $5$to fill the values of $L1,L2,L3,L4$and $L5$. The screen shot is given as below:

Press ENTER. The screenshot of the obtained output of calculated $p$-value is given as below:

Thus the$p$-value is$0.017$.