Table 2.4 gives the population of Florida for several years.

(a) Let x = 0 represent 1990, x = I represent 1991, and so forth. Make a scatter plot for the data.
(b) Let P represent the point corresponding to 2003, Q₁ the point corresponding to 1998, Q₂ the point corresponding to 1999,.... and Q₅ the point corresponding to 2002. Find the slope of the secant the PQ₁ for i = 1, 2, 3, 4, 5.
(c) Predict the rate of change of population in 2003.
(d) Find a linear regression equation for the data, and use it to calculate the rate of the population in 2003.

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Table 2.4 Population of Florida Year 1998 1999 2000 2001 2002 2003 Population (in thousands) 15,487 15,759 15,983 16,355 16,692 17,019