Ivan is the IT Director at the local hospital. He is concerned about the operator errors in the hospital staff use of the electronic health record system. He runs a number of experiments to track the number of errors made by staff members after different amounts of training. He observes a linear relationship. The more training the fewer hours. He then runs a linear regression in finds a coefficient of determination of .79. Which of the following statements are correct? A. There's a strong relationship between training and errors made by staff. B. He can reduce the number of hours by 79%. C. He can add enough training to reduce the heirs to zero D. None of the above