The projected number of wireless subscribers y (in millions) from the year 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 2010.
A)y = 10x + 90.34; 190.570 million
B)y = 10x + 90.34; 190.340 million
C)y = 9.97x + 90.31; 190.170 million
D)y = 9.97x + 90.31; 190.010 million

Question

The projected number of wireless subscribers y (in millions) from the year 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 2010.
A)y = 10x + 90.34; 190.570 million 
B)y = 10x + 90.34; 190.340 million 
C)y = 9.97x + 90.31; 190.170 million 
D)y = 9.97x + 90.31; 190.010 million

Quizplus · Accepted Answer

The Answer of The projected number of wireless subscribers y (in millions) from the year 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 2010.
A)y = 10x + 90.34; 190.570 million 
B)y = 10x + 90.34; 190.340 million 
C)y = 9.97x + 90.31; 190.170 million 
D)y = 9.97x + 90.31; 190.010 million

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