Estimation Results of Bootstrap
statistic	Q1	Estimate	Q3	S.D.	IQR
mean	20.461	20.642	20.835	0.28244	0.37346
median	21	21	21	0.46783	0
midrange	17.5	17.5	18.5	0.87654	1
mode	20	22	22	1.4988	2
mode k.dens	20.746	21.538	22.3	1.1382	1.554