Estimation Results of Bootstrap
statistic	Q1	Estimate	Q3	S.D.	IQR
mean	20.431	20.642	20.81	0.28549	0.37963
median	21	21	21	0.497	0
midrange	17.5	17.5	18.5	0.76769	1
mode	20	22	22	1.5351	2
mode k.dens	20.925	21.538	22.254	1.0801	1.3289