Recycling Rates U.S. recycling rates have been increasing

Chapter , Problem 4.7.20

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Recycling Rates U.S. recycling rates have been increasing over the last few decades. The following table shows the percent of municipal solid waste (MSW) that was recycled for selected years from 1960 to 2006.MSW Recycling Rates, 19602006 Source: U.S. Environmental Protection Agency. a. Find an exponential regression model and a logarithmicregression model for the data. Represent 1960 by 2000 by and 2006 by (Hint: Enter 6.4% as 0.064.)b. Examine the correlation coefficients of the two regression models to determine which provides a better fit for the data.c. Find a logistic model for the data. d. In your opinion, which of the three models will best predict the percent of MSW that will be recycled in a given year in the long-term future? Explain. YearRecycling Rate 1960 6.4% 1970 6.6% 1980 9.6% 1990 16.2% YearRecycling Rate 1995 26.0% 2000 29.1% 2006 32.5%

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