Game Winnings & Education
an Ardent Fan of Television Game

question 29

Essay

Game Winnings & Education
An ardent fan of television game shows has observed that,in general,the more educated the contestant,the less money he or she wins.To test her belief she gathers data about the last eight winners of her favorite game show.She records their winnings in dollars and the number of years of education.The results are as follows.
$$\begin{array} { | c | c | c | } \hline \text { Contestant } & \text { Years of Education } & \text { Winnings } \\\hline 1 & 11 & 750 \\2 & 15 & 400 \\3 & 12 & 600 \\4 & 16 & 350 \\5 & 11 & 800 \\0 & 16 & 300 \\7 & 13 & 650 \\8 & 14 & 400 \\\hline\end{array}$$
-{Game Winnings & Education Narrative} Plot the residuals against the predicted values $\hat { y }$ .What does the graph tell you?

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