Gaussian kernel is used as the kernel shape, with Cl bandwidth of 0.4: 0.06 Density .0 .O o o u: h 0.02 0.01 0.00 15 10 5 0 5 10 15 Which of the following is the underlying data for the above distribution? OX = [-10, -6.5, -5.5 , 0.5, 5.5, 6.5, 10.5] X = [-7.5, -7.1, -0.5 , -0.1, 0, 8.5, 9.1] X = [-11.2, -10.5. -9.3, -0.2, 0.3, 2.1, 3.6] X = [-9.1, -8.3, -7.4, 0, 0.1, 2.1, 3.3] ' = [-7.1, -5.2, -9.3, -0.1, 0.4, 10.6, 11.3] I don't know yet