Scenario: The Unlimited Class Wrestling Federation (UCWF) was founded by promoter Edward Garner, who is leveraging technology to enhance his business. He has enlisted your expertise to assist with the company’s Microsoft Azure service. Currently, the team is working on a classification task and must evaluate the model’s performance using k-fold cross-validation on a limited data sample. The data scientist begins by setting the k parameter—which determines the number of splits in the cross-validation process—and needs to choose an appropriate k value. Which of the following values should they use?