Boxplot statistics
Variable	lower whisker	lower hinge	median	upper hinge	upper whisker
X1	-1	0	1	1	1
X2	-1	0	1	1	1
X3	-1	0	1	1	1
X4	-1	0	0	1	1
X5	-1	0	1	1	1
X6	-1	0	0	1	1
X7	1	1	1	1	1
X8	-1	-1	0	1	1
X9	-1	0	1	1	1
X10	-1	0	1	1	1
X11	-1	0	1	1	1
X12	-1	0	1	1	1
X13	-1	-1	1	1	1
X14	-1	0	1	1	1
X15	-1	-1	1	1	1
X16	-1	0	0	1	1
X17	-1	-1	0	1	1
X18	-1	0	1	1	1

Boxplot Notches
Variable	lower bound	median	upper bound
X1	0.936132285407099	1	1.0638677145929
X2	0.936132285407099	1	1.0638677145929
X3	0.936132285407099	1	1.0638677145929
X4	-0.063867714592901	0	0.063867714592901
X5	0.936132285407099	1	1.0638677145929
X6	-0.063867714592901	0	0.063867714592901
X7	1	1	1
X8	-0.127735429185802	0	0.127735429185802
X9	0.936132285407099	1	1.0638677145929
X10	0.936132285407099	1	1.0638677145929
X11	0.936132285407099	1	1.0638677145929
X12	0.936132285407099	1	1.0638677145929
X13	0.872264570814198	1	1.1277354291858
X14	0.936132285407099	1	1.0638677145929
X15	0.872264570814198	1	1.1277354291858
X16	-0.063867714592901	0	0.063867714592901
X17	-0.127735429185802	0	0.127735429185802
X18	0.936132285407099	1	1.0638677145929