Please help me with the data table, feel free to make up numbers

I would truly appreciate it if you can help me, I am truly lost so I don't know how to go about this

Please give me a hand

Please help me solve these

I have attached the graph as well as the lab manual if you have any questions

https://media.ccconline.org/ccco/2022Master/PHY2112/Lab_9/580273_Refractive_Index_ADA.pdf

Data Table 1. Trial Incident angle, Refracted angle, 0, (degrees) n, sin 0 02 (degrees) n2 sin 02 N Co 5 1. Refractive index of acrylic, n, = 2. Speed of light through acrylic, V, =