Different types of graphs and ... of points and a line of best fit would not be drawn. Image caption, 2. If there is a link, then draw a line of best fit. The line could be a curve, or a straight ...

Plot a graph of resistance, R, in Ω on the y-axis against length, l, in cm on the x-axis). Draw the line of best fit. We can see from the graph that as the length of the wire, l, increases ...