The mean selling prices for a Subaru Outback® of various ages are shown in Table 36.

Let p be the mean price (in dollars) of a Subaru Outback of age a years.
a. Use technology to construct a scatterplot.
b. Describe the four characteristics of the association. Compute and interpret r as part of your analysis.
c. Use technology to graph the model p = -3173.8a + 30,035.3 on the scatterplot. Does the line come close to the data points?
d. What is the slope? What does it mean in this situation?
e. Predict the mean price of a 2-year-old Outback.

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Table 36 Mean Selling Prices of Subaru Outbacks Mean Price (dollars) 27,080 21,112 16,950 13,400 9992 Age (years) 9159