Estimation Results of Bootstrap
statistic	Q1	Estimate	Q3	S.D.	IQR
mean	20.406	20.642	20.789	0.28027	0.38272
median	21	21	21	0.53725	0
midrange	17.5	17.5	18.5	0.84648	1
mode	20	22	22	1.4612	2
mode k.dens	20.749	21.538	22.259	1.099	1.5105