Scatter Chart: Key: R=0.4, P=0.02 Y-axis = Yield (t acres-1): 0.3, 0.4, 0.5, 0.6, 0.7, 0.8 X-axis = Weed biomass (g m-2): 0, 25, 50, 75, 100, 125, 150 12 data points fall between 0.67 (Y), 35 (X) and 0.45 (Y), 127 (X)