The data at right show the average price of a movie ticket for selected years. Find a medianmedian line for the years 1935-2001. Does your line seem to fit the data well? Which years are not predicted well by your equation? Consider whether or not two or more line segments would fit the data better. Sketch several connected line segments that fit the data. Which model, the single median -median line or the connected segments, do you think is more accurate for predicting the price of a ticket in 2010? Is there another line or curve you might draw that you think would be better? Why do you think these data might not be modeled best by a single linear equation?

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Average ticket Average ticket Year price (S) Year price (s) 1935-- 1974 1940 1948 1954 1958 1963 1967 1970 Motion Picture Association of America) 0.25 0.28 0.38 0.50 0.69 0.87 1.43 1.56 1978 1982 1986 1990 1994 1998 4.68 2001 1.89 2.33 2.93 3.70 4.21 4.10 5.65