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QUESTION

The data are for the US from the first quarter in 2006 to the first quarter in 2014. Given RGDP as the dependent variable: Quarter RGDP t CONS t-1...

The data are for the US from the first quarter in 2006 to the first quarter in 2014. Given RGDP as the dependent variable:

Quarter      RGDP CONSt-1   INVt-1               EXPSt-1

Q1.2006  14546.4  9722.7    2773.8     1478.4

Q2.2006  14591.6  9774.2    2755.7      1505.4

Q3.2006  14604.4  9833.4    2727.6      1502.2

Q4.2006  14718.4  9929.2    2663        1563.7

Q1.2007  14728.1  9987.1    2638.5       1586.5

Q2.2007  14841.5  10020.4  2674.7    1614.4

Q3.2007  14941.5  10060.1  2658.1    1671.2

Q4.2007  14996.1  10074.5  2605.2    1717.1

Q1.2008  14895.4  9853.018 2517.5    1738.7

Q2.2008  14969.2  9871.54  2472.6    1788.4

Q3.2008  14895.1  9793.826 2403.8    1772.8

Q4.2008  14574.6  9678.676 2190       1667.4

Q1.2009  14372.1  9646.728 1937.7    1534.8

Q2.2009  14356.9  9605.47  1820.5    1537.5

Q3.2009  14402.5  10059.954 1804.7    1588.7

Q4.2009  14540.2  10061.178 1949.6    1674.2

Q1.2010  14597.7  10113.708 2012.9    1700.4

Q2.2010  14738     10195.206 2116.9    1739.3

Q3.2010  14839.3  10063.7  2185.7    1784.9

Q4.2010  14942.4  10169     2166.1    1837.7

Q1.2011  14894     10221.3  2124.3    1854.7

Q2.2011  15011.3  10258.9  2196.1    1876.9

Q3.2011  15062.1  10311.9  2209.9    1908.9

Q4.2011  15242.1  10373.1  2368.2    1921.7

Q1.2012  15381.6  10447.8  2427.8    1941.4

Q2.2012  15427.7  10496.8  2418       1959.8

Q3.2012  15534     10541     2456.5    1961.6

Q4.2012  15539.6  10584.8  2441.8    1967

Q1.2013  15583.9  10644     2470.1    1960.5

Q2.2013  15679.7  10691.9  2524.9    1998.4

Q3.2013  15839.3  10744.2  2627.2    2017.6

Q4.2013  15942.3  10831.5  2643.3    2063.7

Q1.2014  15902.9  10914.4  2562.4    2032.1

1.

(a) Perform a correlation analysis for the three explanatory variables

(b) Perform a multiple regression of RGDP on the other three variables. Provide comments on the results, including the significances of a1, a2, and a3, R2, adjusted R2, and the standard error of regression.

 2. Write the estimated equation for the regression results for exercise 1, enter the standard errors below the estimated coefficients, adding the adjusted R2 next to the equation. Obtain the point prediction for the second quarter of the year 2014

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