Boxplot statistics
Placement	lower whisker	lower hinge	median	upper hinge	upper whisker
yes	55.33	58.67	60.67	62.33	64.67
no	58.93	61.67	63.565	65.6	67.8

Trimmed Mean Equation
Placement	No Placement
60.6164393939394	63.5533544303797