The U.S. national debt (in billions of dollars) for selected years from 1980 is shown in the following table. Year 1980 1985 1990 1995 2000 2004 Debt 930.2 1945.9 3233.3 4974.0 5674.2 7379.1 (a) Find the least squares regression linear function giving national debt as a function of years since 1980 (x 0 for 1980). (Round all numerical values to two decimal places.) f(x) = (b) Use the regression line to estimate the national debt in 2010. In 2014. (Round your answers to one decimal place.) 2010 24 billion 2014 24 billion (c) Assume 290 million (0.29 billion) people in the United States in 2014, What is the estimated per capita debt? (Round your answer to the nearest thousand.)

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Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.