Estimation Results of Bootstrap
statistic	Q1	Estimate	Q3	S.D.	IQR
mean	20.505	20.642	20.827	0.2782	0.32253
median	21	21	21	0.47005	0
midrange	17.5	17.5	18.5	0.88814	1
mode	20	22	22	1.4074	2
mode k.dens	20.726	21.538	22.107	1.0337	1.3805