Gnuplot Produced by GNUPLOT 5.4 patchlevel 5 0 5 10 15 20 25 30 35 40 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 Density (a.u.) Relative change (%) Bootstrap distribution Bootstrap distribution Confidence interval Confidence interval Point estimate Point estimate Noise threshold Noise threshold join/Path.join/90: mean