QUESTION 4 A research analyst uses data from 129 countries to investigate the relationship between GDP per capita (GDPPC) in dollars and electric power consumption per capita (ELECPC) in kilowatt hours (KWh). The analyst produces the following scatter plot and regression output: Scatter graph 60000 50000 40000 GDPPC ($) 30000 20000 10000 0 5000 10000 15000 20000 25000 30000 35000 40000 ELECPC (k Wh) SUMMARY OUTPUT Regression Statistics Multiple R 0.8082 R Square 0.6533 Adjusted R Square 0.6505 Standard Error 7106.7991 Observations 129 Standard Coefficients Error Stat P-value Lower 95% Upper 95% Intercept 1480.7777 801.5572 1.8474 0.0670 -105.3594 3066.9147 ELECPC 1.8079 0.1169 15.4681 0.0000 1.5766 2.0392