Which statement about k-fold cross-validation is false

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Which statement about k-fold cross-validation is FALSE?

A. The cross-validation process is repeated k times.

B. All observations are used for both training and validation.

C. The last step of the k-fold cross-validation is to compute the average performance estimate.

D. On each step, one fold is used as the training data and the remaining k-1 folds are used as testing data.

Reference no: EM131082610

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