Question: 1. (2 marks) The following plot shows test set errors estimated by 10-fold cross-validation using five different splits of the data into folds. Model dimensions

1. (2 marks) The following plot shows test set errors estimated by 10-fold cross-validation using five different splits of the data into folds. Model dimensions 1 through 3 hav been excluded from the plot. The folds are labelled seed1 through seed5. For each seed, what is the dimension that has the lowest estimated test set error? 410000 - seed 405000 - seed 1 testErr 7 - - seed2 seed3 400000 - .A -+ seed4 . . seed5 395000 - O - 10 Dimension

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