Line of Best Fit Using Graphing Calculator

Find an equation for the line of best fit, make the corresponding predictions, explain what the slope represents, and explain what the y-intercept represents. 1) Year Cost of Stamp 1958 0.04 1963 0.05 1968 0.06 1971 0.08 1974 0.10 1975 0.13 1978 0.15 1981 0.18 1985 0.22 1988 0.25 1991 0.29 1995 0.32 ................
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