Names	Exam1	Exam2
Tom	7.8	8.2
Anna	NA	7.4
Merel	6.5	NA
Daan	5.6	7.1
Carlijn	NA	8.0
Gideon	8.1	6.9
Roos	4.5	5.0
Leann	9.0	8.5
Joey	3.2	7.0
Sem	7.8	6.8
Stijn	5.0	7.3
Eline	6.5	-6.5
Luuk	75	7.3