Perform a regression of height (dependent variable) on age (independent variable). what is the Y intercept of the regression line ? 58.37 39.07 59.56 68.60 73.73 What is the slope (beta) of the regression line? 0.45 1.1 1.52 0.63 0.78 The regression model predicts that a 5-year old child (60 months) would be approximately __________ tall