Question: A researcher is preparing data for a k - fold cross - validation. The number of groups the sample data is to be split into

A researcher is preparing data for a k-fold cross-validation. The number of groups the sample data is to be split into is 10. What would k equal in a 10-fold cross-validation?
Multiple Choice
k=1
k cannot be determined until applied to a machine model.
k=5
A researcher is preparing data for a k-fold cross-validation. The number

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