Boxplot statistics
Variable	lower whisker	lower hinge	median	upper hinge	upper whisker
X1	-1	0	1	1	1
X2	-1	0	0	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	0	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	0	1	1

Boxplot Notches
Variable	lower bound	median	upper bound
X1	0.927428196476409	1	1.07257180352359
X2	-0.0725718035235908	0	0.0725718035235908
X3	0.927428196476409	1	1.07257180352359
X4	-0.0725718035235908	0	0.0725718035235908
X5	0.927428196476409	1	1.07257180352359
X6	-0.0725718035235908	0	0.0725718035235908
X7	1	1	1
X8	-0.0725718035235908	0	0.0725718035235908
X9	0.927428196476409	1	1.07257180352359
X10	0.927428196476409	1	1.07257180352359
X11	0.927428196476409	1	1.07257180352359
X12	0.927428196476409	1	1.07257180352359
X13	0.854856392952818	1	1.14514360704718
X14	0.927428196476409	1	1.07257180352359
X15	0.854856392952818	1	1.14514360704718
X16	-0.0725718035235908	0	0.0725718035235908
X17	-0.145143607047182	0	0.145143607047182
X18	-0.0725718035235908	0	0.0725718035235908