You are interested in studying whether correctional officers who work in minimum security facilities have higher job satisfaction scores than correctional officers who work in maximum security facilities. The interval level variable is and the grouping variable is ______ . 1) Job satisfaction, Facility type 2) Facility type, Job satisfaction (f \"3. 3) Whether correctional officers work in minimum or maximum security facilities, Scores 4) Job satisfaction, correctional officers in minimum security and correctional officers in maximum security