Estimation Results of Bootstrap
statistic	Q1	Estimate	Q3	S.D.	IQR
mean	20.475	20.642	20.866	0.28251	0.39043
median	21	21	21	0.49072	0
midrange	17.5	17.5	18.5	0.88362	1
mode	20	22	22	1.3939	2
mode k.dens	20.902	21.538	22.222	1.0092	1.3203