Charles wants fo measure the strength of the rekationship betwoen the price of a houen and its daztance from the city centre where he Fves; He chooses houses at a Gimilar size and plots a graph of price, [tex]\mathrm{P}[/tex] (in thousands of dolars) against ditance from the city contre, d (km)
[tex]\begin{tabular}{|l|l|l|l|l|l|l|l|}
\hline Price [tex](\$ 1000)[/tex] & 484 & 315 & 242 & 207 & 160 & 160 & 137 \\
\hline Distancelkm) & [tex]0.2[/tex] & [tex]0.5[/tex] & [tex]0.8[/tex] & [tex]1.1[/tex] & [tex]1.6[/tex] & [tex]1.9[/tex] & [tex]2.5[/tex] \\
\hline
\end{tabular}[/tex]
