Estimation Results of Bootstrap
statistic	Q1	Estimate	Q3	S.D.	IQR
mean	20.455	20.642	20.823	0.27655	0.36728
median	21	21	21	0.47473	0
midrange	17.5	17.5	18.5	0.94934	1
mode	20	22	22	1.5587	2
mode k.dens	20.828	21.538	22.263	1.064	1.4349