Estimation Results of Bootstrap
statistic	Q1	Estimate	Q3	S.D.	IQR
mean	20.486	20.642	20.806	0.28296	0.31944
median	21	21	21	0.50503	0
midrange	17.5	17.5	18.5	0.83196	1
mode	20	22	22	1.4094	2
mode k.dens	20.694	21.538	22.223	1.0193	1.5286