Boxplot statistics
Variable	lower whisker	lower hinge	median	upper hinge	upper whisker
olie	47	77.4	91.2	113.4	143.3
wagens	49.16	89.59	107.32	128.33	175.13
electr	86.4	100.2	107.6	117	132

Boxplot Notches
Variable	lower bound	median	upper bound
olie	84.5426995474841	91.2	97.857300452516
wagens	100.156005013043	107.32	114.483994986957
electr	104.493259788826	107.6	110.706740211174