The question is shown in the picture

Answer all questions. Show all work. Question 1 a) LOOCV is not random because you t all it possible models that leave out a single observation. k-fold CV is random because we randomly split the data into 1:: chunks. How many models would we need to t to exhaustively obtain MSPE for every excluded chunk of size nfk? b) For the data-set \"Puromycin\