Gnuplot Produced by GNUPLOT 5.4 patchlevel 5 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 -160 -140 -120 -100 -80 -60 -40 -20 0 20 Density t score t distribution t distribution t statistic t statistic join/with_paths!/10: Welch t test