Question 3 ([2 + 3] + 4 = 9 marks) (a) We want to investigate how the Quality of red wine is related to Aroma. You may use the following Excel print-outs or summary statistics provided to answer the questions. SUMMARY OUTPUT Regression Statistics Multiple R 0.5003 R Square 0.7003 Adjusted R Square 0.4864 Standard Error 1.466 Observations 38 Coefficients Standard Error t Stat P-value Intercept 5.9583 1.1050 2.232 0.0000 Aroma 1.3365 0.2226 6.004 0.0000 (i) Find the least squares regression line to predict the Quality from Aroma. (ii) Find the value of the Correlation Coefficient and interpret it