Worldwide sales of Alfa Romeo cars are shown in Table 19 for various years.

Let s be the annual worldwide sales (in thousands) of Alfa Romeo cars at t years since 2000.
a. Construct a scatterplot.
b. Describe the four characteristics of the association. Compute and interpret r as part of your analysis.
c. Find an equation of a linear model.
d. Find the s-intercept. What does it mean in this situation? How much faith do you have in this estimate? Explain.
e. Alfa Romeo cars have not been sold in the United States since the mid-1990s. Why is it surprising that Fiat Chrysler Automobiles will reintroduce Alfa Romeo cars to the United States?

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Table 19 Alfa Romeo Worldwide Sales Sales (thousands of cars) 175 138 153 Year 2003 2005 2007 2009 2011 2012 137 100