Gnuplot Produced by GNUPLOT 5.4 patchlevel 1 0 10 20 30 40 50 60 70 80 90 100 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 Total sample time (ms) Iterations (x 103) Sample Linear regression Confidence interval