QUESTION 1 At a concert, a survey was conducted that asked a random sample of 100 people their age and how many concerts they have attended last year. A regression model is estimated and the Excel output follows: df SS MS F Significant F Regression 1 107.50 107.50 53.55 0.00 Residual 98 196.74 2.01 Total 99 304.24 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept -2.37 0.57 -4.15 0.00 -3.50 -1.24 Age 0.11 0.02 7.32 0.00 0.08 0.14 Find the coefficient of determination (also known as R-square) of this regression. O a. 0.3533 O b. 0.4570 O c. 0.5044 O d. 0.2359 O e. 0.5965