How do you find a quintic regression on a TI-83 calculator?

To find a quintic regression on a TI-83 calculator, first, enter your data into two lists (L1 for x-values and L2 for y-values). Then, press the STAT button, select CALC, and scroll down to choose 5:PolyReg. Enter the degree as 5 for a quintic regression, followed by the lists (e.g., L1, L2). Finally, press ENTER to compute the regression equation, which will be displayed along with the coefficients.