CHALLENGE ACTIVITY 3.1.4: Linear regression equation for line of best fit. 270604.2167158.qx3zqy7 V Jump to level 1 The scatter plot shows the relationship between the amount of rain received in a year and the average diameter of a fruit in a particular orchard that year. 25 20 15 Diameter of fruit (in cm) 10 5 0 5 10 15 20 Rain (in inches) The slope of the line is Ex: 0.2 9 The intercept of the line is The regression equation is Y = + X.Start A medical researcher wants to determine how a new medication affects blood pressure. 150 140 130 .. . . Patient systolic blood pressure (in mm Hg) 120 110 100 0 50 100 150 200 250 300 350 Amount of medication (in mg) The regression equation for the plot above is Y = Ex: 40 + Ex: 0.43 X. 1 2 3 4 Check Next