person_id,group,duration_minutes
P001,control,16.19
P002,control,27.96
P003,checklist,17.25
P004,control,19.1
P005,control,21.93
P006,checklist,21.05
P007,checklist,23.48
P008,control,25.15
P009,checklist,25.41
P010,control,25.05
P011,control,26.07
P012,control,22.06
P013,control,34.04
P014,control,25.16
P015,control,18.86
P016,checklist,18.91
P017,control,21.25
P018,checklist,9.77
P019,checklist,25.1
P020,control,23.85
P021,control,29.99
P022,checklist,18.08
P023,checklist,23.4
P024,checklist,23.66
P025,checklist,25.94
P026,checklist,22.04
P027,checklist,19.13
P028,checklist,23.49
P029,control,20.48
P030,checklist,18.0
P031,checklist,20.45
P032,checklist,17.53
P033,checklist,27.5
P034,control,25.63
P035,control,23.0
P036,control,26.98
P037,checklist,17.83
P038,checklist,17.74
P039,control,25.81
P040,control,21.23
