The Human Resources Department of a large co maintained of the following variables: Age, Employment Category, Education, Whether or not the employee a wellness program, and Paycheck beneft deductions. Which of these variables are categorical? A) Age. Employment Category, and Education B) None of the variables ci Education., C)Whether or not the employee participates in a wellness program, and Paycheck beneft deductions D) All of the variables Employment Category, Education, and Whether or not the employee participates in a wellness program