In this problem set, you will review the material on polynomial regression that we did not complete in class. Review the polynomial regression section in the Meeting 11 notes.
Looking over the diagnostic plots from the standard linear regression, what do you observe that might make you think this is not a good model fit?
Near the bottom of the section, the AIC values for multiple different models are calculated. Based on these AIC values, which is the best fit model?
Based on the model you selected as the best fit model, provide a brief explination of what might be going on biologically speaking.