Estimation Results of Bootstrap
statistic	Q1	Estimate	Q3	S.D.	IQR
mean	18.8262152777778	18.8608333333333	18.9021875	0.0599839227431345	0.0759722222222265
median	18.86	18.89	18.96	0.133567837996049	0.100000000000001
midrange	19.055	19.16	19.16	0.095298938898091	0.105000000000000