Ten students have taken an objective assessment. The quiz contained 10 questions. In the table below, the students' scores have been listed from high to low (Joe, Dave, Sujie, Darrell, and Eliza are in the upper half). There are five students in the upper half and five students in the lower half. The number"1" indicates a correct answer on the question; a "0" indicates an incorrect answer.Calculate the Discrimination Index (D) for Question 3.