A cybersecurity expert has a quantitative index that rates users on the “riskiness” of their online behavior (high scores are bad). A company that has had difficulties with online security randomly...

A cybersecurity expert has a quantitative index that rates users on the “riskiness” of their online behavior (high scores are bad). A company that has had difficulties with online security randomly assigns 15 younger employees and 15 older employees to one of three security training programs. Three months after completing the program, each employee’s riskiness is rated using the index. The data is in Table 9.32. If the company can only adopt one training program, which should it be?.