Is depression a possible factor in students missing classes? Two of the variables in the study are DepressionScore, which gives score on a standard depression scale with higher numbers indicating greater depression, and ClassesMissed, the number of classes missed during the semester, for a sample of 253 college students. Computer output is shown below. T SE Coef P Coef Predictor Constant 1.7771 0.2671 6.650.000 DepressionScore 0.08312 0.03368 2.47 0.014 R-Sq - 2.48 S - 3.20806 R-Sq(adj) - 2.0% a). Write down the regression equation to predict Classes Missed using DepressionScore. (2 marks) b). Interpret the coefficient of determination, R-Square. (2 marks)