Estimation Results of Bootstrap
statistic	Q1	Estimate	Q3	S.D.	IQR
mean	20.449	20.642	20.846	0.28925	0.3966
median	21	21	21	0.50323	0
midrange	17.5	17.5	18.5	0.96995	1
mode	20	22	22	1.3615	2
mode k.dens	20.667	21.538	22.232	1.0827	1.5649