x1 x2 Age 0.729 280.1 3 0.785 402.2 3 0.625 351.4 3 0.604 315.5 3 0.701 306 3 0.957 315 3 0.664 220.2 3 0.64 223.6 12 0.464 214.3 12 0.684 224.5 12 0.517 256 12 0.581 285.4 12 0.814 215.1 12 0.636 231 12 1.051 269.6 12 0.41 222.5 24 0.701 221.1 24 0.65 208.9 24 0.234 170.1 24 0.674 254.5 24 0.545 263.9 24 0.429 249.1 24 0.358 210.8 24