Hello I really need help with this physics lab.

The lab is about the grating spectrometer.

Data Color 1 A 1 2 2 (Right) (Left) (Right) (Left) Violet 2,80 510 Violet-Blue 27.5 53 (Blue) Green 240 55.50 7.50 22.50 Yellow 230 56.50 5.50 26.50