Using the data below create a graph with the independent variable on the x and the dependent variable on the y. Create a line of best fit on the graph. Enter the slope of your graph to three decimal places in the box below. You will need to refer to your graph for the next three questions.

Absorbance at 570.3 nm Concentration (mol/ L)
0.822 3.723
0.517 2.211
0.216 1.023
0.112 0.511