Estimation Results of Bootstrap
statistic	Q1	Estimate	Q3	S.D.	IQR
mean	20.455	20.642	20.827	0.28547	0.37191
median	21	21	21	0.46673	0
midrange	17.5	17.5	18.5	0.94635	1
mode	20	22	22	1.4561	2
mode k.dens	20.558	21.538	22.174	1.0978	1.6154