Oneway Means to be compared are circled. Descriptives 95% Confidence Interval for Mean Std. Std, Lower Upper N Mean Deviation Error Bound Bound Min Max grades in HS grad or less 38 5.34 1.475 239 4.86 5.83 3 8 h.s. Some College 16 5.56 1.788 447 4.61 6.52 2 8 BS or More 19 6.53 1.219 .280 5.94 7.11 4 8 Total 73 5.70 1.552 182 5.34 6.06 2 8 visualization HS grad or less 38 4.6711 3.96058 64249 3.3692 5.9729 .25 14.75 test Some College 16 6.0156 4.56022 1.14005 3.5857 8.4456 -.25 14.75 BS or More 19 5.4605 2.79044 .64017 4.1156 6.8055 -.25 9.75 Total 73 5.1712 3.82787 44802 4.2781 6.0643 -.25 14.75 math HS grad or less 38 10.0877 5.61297 .91054 8.2428 11.9326 1.00 22.67 achievement Some College 16 14.3958 4.66544 1.16636 11.9098 16.8819 5.00 23.67 test BS or More 19 16.3509 7.40918 1.69978 12.7798 19.9221 1.00 23.67 Total 73 12.6621 6.49659 .76037 11.1463 14.1779 1.00 23.67 ANOVA Sum of Squares if Mean Square F Sig Between Groups 18.143 2 9.071 4.091 021 grades in h.s. Within Groups 155.227 70 2.218 Total 173.370 72 visualization test Between Groups 22.505 2 11.252 763 470 Within Groups 1032.480 70 14.750 Total 1054.985 72 math achievement Between Groups 558.481 2 279.240 7 881 .001 test Within Groups 2480.324 70 35.433 Total 3038.804 72 The between-groups differences for grades in high These are the degrees school and math achievement are statistically of freedom: 2, 70. significant (p