Boxplot statistics
Variable	lower whisker	lower hinge	median	upper hinge	upper whisker
Totaal	73.8	97.7	104.35	115.55	133.5
Metaal	80	102.85	111.9	120.9	146.6
Machines	80.5	105.25	114.75	131.45	161.3
Apparaten	68.9	83.2	88.6	95.85	106.3

Boxplot Notches
Variable	lower bound	median	upper bound
Totaal	100.709008356230	104.35	107.990991643770
Metaal	108.218212931650	111.9	115.581787068350
Machines	109.405799380013	114.75	120.094200619987
Apparaten	86.0196893953117	88.6	91.1803106046882