The Projected Number of Wireless Subscribers Y (In Millions) from 2000

question 209

Multiple Choice

The projected number of wireless subscribers y (in millions) from 2000 through 2006 is summarized in the accompanying table: (Here, x = 0 corresponds to the beginning of 2000.) Find an equation of the least-squares line for these data. Please round the coefficients in your equation to two decimal places. Use the result to estimate the projected number of wireless subscribers at the beginning of 2007.

• A) y = 10x + 90.34; 160.34 million
• B) y = 9.97x + 90.31; 160.10 million
• C) y = 10x + 90.34; 160.57 million
• D) y = 9.97x + 90.31; 159.94 million

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