>>> dens.pdf()
array([0.93576608, 1.33566324, 1.20704937, 1.80351188, 1.81875581,
1.51516665, 0.89062936, 1.58329715, 1.22700952, 1.06059397,
0.71512836, 1.54702014, 0.79761149, 1.23734685, 1.4262315 ,
0.80663581, 2.16846024, 0.49280956, 1.18420447, 2.20298496,
2.02025112, 1.58441982, 1.90166434, 2.36251347, 1.53255557,
1.31409131, 1.5425467 , 0.98515632, 0.87081109, 1.55647159,
1.67918891, 0.95854484, 1.28548948, 1.06750887, 0.88545365,
1.50659786, 1.48258047, 0.89849563, 1.08101309, 1.24352269,
1.32795349, 1.03990374, 0.55019702, 2.13360702, 1.11418973,
1.3953946 , 1.22836918, 0.42480256, 1.31166456, 1.81168169,
1.83213356, 1.61794576, 1.03155669, 1.1937047 , 0.51740995,
1.27018985, 1.35019434, 1.55660672, 1.83607643, 1.67935869,
0.69868855, 1.49157491, 2.23200936, 1.37639306, 1.00678124,
1.67379048, 1.37299867, 1.24108142, 2.18630987, 1.26790982,
1.26945955, 0.78485074, 1.62732738, 0.75846431, 0.91707162,
2.34255543, 0.98250775, 1.23858443, 1.79723892, 0.61162554,
1.16223329, 1.36762502, 2.31184928, 0.79395791, 1.4167074 ,
0.68784724, 1.31792448, 1.44168927, 1.76746678, 2.05878253,
1.89587752, 1.45545394, 1.24398978, 2.20341703, 0.91273624,
1.52657731, 0.88443466, 0.9142357 , 1.89401561, 1.27891166])