Method	1	2	3
Observation 1	24.4	22.1	23.3
Observation 2	23.2	19.5	22.8
Observation 3	25	17.3	22.4
Observation 4	19.7	19.7	23.7
Observation 5	22.2	22.3	20.4
Observation 6	24.4	23.2	23.5
Observation 7	23.8	21.4	20.8
Observation 8	18	22.6	24.1