Consider the Data Given in the Table Below A Plot the Data on a Scattergram

Consider the data given in the table below. $$\begin{array} { c c } \hline \mathrm { X } & \mathrm { Y } \\\hline 1 & 4 \\2 & 6 \\2 & 5 \\3 & 7 \\4 & 7 \\4 & 6 \\5 & 4 \\5 & 5 \\6 & 3 \\\hline\end{array}$$ a. Plot the data on a scattergram. Does a quadratic model seem to be a good fit for the data? Explain. b. Use the method of least squares to find a quadratic prediction equation. c. Graph the prediction equation on your scattergram. 12.7 Qualitative (Dummy) Variable Models 1 Write and Interpret Model with Qualitative Variables