i$.$ Identify which fit best corresponds to each of the models M$1-$M$5.$

ii$.$ Which fit would you choose? Pick one of M$1,$ M$2,$ M$3,$ M$4,$ M$5.$

iii. Based on your answer to $($b$),$ what is the estimate of the error for future

data?

iv$.$ Which model is most likely to be overfit? Pick one of M$1,$ M$2,$ M$3,$

M$4,$ M$5.$