Northeast Midwest South West 28.6 36.7 59.9 16.4 39.9 33.4 37 7 335 31.9 28 0 22.3 46.3 43.8 41.1 12.4 32.5 32.1 33.9 43.7 14 9 583 18.8 76.8 36.8 31.1 30.3 36.3 57 3 47.4 14.3 37.7 27.6 32.6 37.0 584 55.5 30.0 28.1 78.8 39.1 17 5 42 2 29 7 32 3 29.8 52 4 36.5 23 7 51.5 78.7 340 25.4 604 245 29 6 58.2 54.2 27.6 21.0 31.0 31.5 28.8 41.9 72 8 25.5 70.2 346 73.9 22 7 33.0 (continued) Northeast Midwest South West 36.8 307 37.0 28 4 30.8 33.8 27.2 21.6 28 7 31.8 31.5 21.8 56.8 38.2 28.3 40.3 33.3 35.4 394 21.6 39.2 35.5 26.1 32 7 Use a = .05 to test whether the mean percentage of 17-to 24-year-olds who are attending college is the same for the four geographic regions