Dolphin Number of Treats Number of Attempts Diana N Frederick 4 5 Fatima 8 Marlin 3 5To calculate the slope, first calculate SP and SSx : SP = , and SSx = (Hint: For SP use the computational formula and for SS, use the definitional formula.) The slope of the regression line is ,and the Y intercept of the regression line is The difference between Y and Y for a particular sample point (observation) is called a residual. Calculate the predicted Y (Y) for each of the dolphins, and then calculate the residuals. Dolphin Number of Treats Number of Attempts Predicted Y (Y) Residual Diana 2 6 Frederick 4 5 Fatima 1 8 Marlin 3 5