hours_studied passed 0.50 0 0.75 0 1.00 0 1.25 0 1.50 0 1.75 0 1.75 1 2.00 0 2.25 1 2.50 0 2.75 1 3.00 0 3.25 1 3.50 0 4.00 1 4.25 1 4.50 1 4.75 1 5.00 1 5.50 1