DATA ANALYSIS: TELEVISION SETS The table shows the numbers (in millions) of television

Chapter 3, Problem 20

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DATA ANALYSIS: TELEVISION SETS The table shows the numbers (in millions) of television sets in U.S. households from 2000 through 2006. (Source: Television Bureau of Advertising, Inc.) (a) Use the regression feature of a graphing utility to find the equation of the least squares regression line that fits the data. Let represent 2000. (b) Use the graphing utility to create a scatter plot of the data. Then graph the model you found in part (a) and the scatter plot in the same viewing window. How closely does the model represent the data? (c) Use the model to estimate the number of television sets in U.S. households in 2008. (d) Use your schools library, the Internet, or some other reference source to analyze the accuracy of the estimate in part (c).