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Safari File Edit View History Bookmarks Window Help The following data are a sample of the ages, $X$ (years), and the asking prices, $y$ (in
Safari File Edit View History Bookmarks Window Help The following data are a sample of the ages, $X$ (years), and the asking prices, $y$ (in thousands of dollars), for used Honda Accords that were listed on AutoTrader.com on March 10, $2005 .$ \begin{tabular}{cl[cc] $X$ & \multicolumn{1}{c}$y$) & $x$ & $y$ \hline 3 & $24.95 & 2 & $26.9$ 7 & $9.0$ & 4 & $23.85 5 & $17.8$ & 5 & $19.3$ W 4 & $29.25 & 4 & $21.9$ W 6 & $15.65 & 6 & $16.4$ 3 & $24.95 & 4 & $21.2$ 2 & $25.7$ & 3 & $24.9$ 7 & $11.9$ & 5 & $20.0$ 6 & $15.25 & 6 & $13.6$ 2 & $25.9$ & 5 & $18.8$ \end{tabular) (a) Use the linear gression program on the graphing calculator to obtain the equation of the line of best fit. (Give your answers correct to two decimal places.) $$ What y)=-3.16 quad X+34.4 \quad x x $$ (b) Predict the average asking price for all Honda Accords that are 5 years old. Obtain this answer in two ways: using the equation from part (a) or using the regression line on the scatter diagram shown on the graphing calculator (Check the instruction on the PowerPoint slides.) (Round to the nearest dollar.) $\$$ Can you think of any potential lurking variables for this situation? (Select all that apply.) O condition of car D potential buyer's desire to buy car age of car make and model of car (2) mileage of car S.P.PB. 246
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