The table shows the numbers N (in millions) of television sets in U.S. households from 2000 through 2006.1 Year Television sets, N 2000 245 2001 248 2002 254 2003 260 2004 268 2005 287 2006 301 (a) Use the regression feature of a graphing utility to find the equation of the least squares regression line that fits the data. Let t = 0 represent 2000. (Round the slope and y- intercept to two decimal places.) N = (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? O The model is a good fit to the actual data. O The model is not a good fit to the actual data. (c) Use the model to estimate the number of television sets in U.S. households in 2007. (Round your answer to one decimal place.) N = million (d) Use vou

The table shows the numbers N (in millions) of television sets in U.S. households from 2000 through 2006.1 Year Television sets, N 2000 245 2001 248 2002 254 2003 260 2004 268 2005 287 2006 301 (a) Use the regression feature of a graphing utility to find the equation of the least squares regression line that fits the data. Let t = 0 represent 2000. (Round the slope and y- intercept to two decimal places.) N = (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? O The model is a good fit to the actual data. O The model is not a good fit to the actual data. (c) Use the model to estimate the number of television sets in U.S. households in 2007. (Round your answer to one decimal place.) N = million (d) Use vou

Elementary Linear Algebra (MindTap Course List)

8th Edition

ISBN:9781305658004

Author:Ron Larson

Publisher:Ron Larson

Chapter5: Inner Product Spaces

Section5.4: Mathematical Models And Least Squares Analysis

Problem 40E

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