The United States gross national product, in trillions of dollars, is given in the table below. Date Gross national product 2010 15.0 2011 15.5 2012 16.2 2013 16.7 (a) Find the equation of the linear regression. (Lett be the number of years since 2010. Round regression line parameters to two decimal places.) G(t) = Explain the meaning of its slope. The slope of the line tells us that each year the gross national product increases by trillion dollars.

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The United States gross national product, in trillions of dollars, is given in the table below.

The United States gross national product, in trillions of dollars, is given in the table below.
Date Gross national product
2010
15.0
2011
2012
2013
15.5
16.2
16.7
(a) Find the equation of the linear regression. (Let t be the number of years since 2010. Round regression line parameters to two decimal places.)
G(t) =
Explain the meaning of its slope.
The slope of the line tells us that each year the gross national product increases by
trillion dollars.
Transcribed Image Text:The United States gross national product, in trillions of dollars, is given in the table below. Date Gross national product 2010 15.0 2011 2012 2013 15.5 16.2 16.7 (a) Find the equation of the linear regression. (Let t be the number of years since 2010. Round regression line parameters to two decimal places.) G(t) = Explain the meaning of its slope. The slope of the line tells us that each year the gross national product increases by trillion dollars.
(b) Plot the data points and the regression line.
G
O
17
16
15
14
13
12
G
17
16
15
14
13
12
1
1
2
2
3
t
G
17
16
15
14
13
12
G
17
16
15
14H
13
12
1
1
2
2
3
3
t
t
Transcribed Image Text:(b) Plot the data points and the regression line. G O 17 16 15 14 13 12 G 17 16 15 14 13 12 1 1 2 2 3 t G 17 16 15 14 13 12 G 17 16 15 14H 13 12 1 1 2 2 3 3 t t
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