help with the highlighted questions.

Part 2: Mystery Material A nj = 1 1[see Set of Parameters page for this value and the angles of incidence] Table 2: Incident angle (deg) Refracted angle (deg) 10 4.5 20 9 30 13.3 40 17.2 50 20.8 Screen capture of the LoggerPro data table and plot of sin(0,) vs. sin (64) with proportional fit. Data 1.0 X y degrees degrees d 4.5 0 13. 17. 0.5 20. 0.0 sin 02 (degrees) 0.5 Auto Fit for: Data Set | sin02 sin02 = Ax A: -0.2711 +/- 0.5439 Correlation: 0.2417 RMSE: 0.8986 degrees -1.0 -1.0 0.5 0.0 0.5 1.0 sin01 (degrees)A (slope) aim = 0.5439 11A= n1/A 11A = ; MIA = [Show calculations below] (71A Ann , 11A + rim) 2 ( ____________________________ ) (this is the uncertainty range) How large is and compared to nA (i.e., how large is the ratio MIA f 71A)? What does this tell us about the precision (not accuracy) of our measurement of n3