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Question 4 Circulation x1000 American newspaper circulation enjoyed continuous growth until the 1970 s where...

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Question 4 Circulation x1000 American newspaper circulation enjoyed continuous growth until the 1970 s where it roughly leveled off then began a steady decline in the 1990 s presumably due to the internet American Newspaper Circulation 70 8 10 20 30 40 Year 50 60 70 80 Year 1940 1945 1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2011 Circulation 1000s 41 132 48 384 53 829 56 147 58 882 60 358 62 108 60 655 62 202 62 766 62 328 58 193 55 773 53 345 44 421 a Consider 1940 to be year 0 and use regression to find a quadratic equation to model the data Round the numbers in your equation to 3 decimal places y b Use your equation to predict the circulation in 2020 Round to nearest newspaper not in 1000s

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