Grade of parents. Grade of offspring. Totals. Means. Regression.
0 -¼ ½ ¾ 1 1¼ 1½ 1¾ 2 2¼ 2½
⅞ 2 1 4 5 3 4 1 20 1.09 -.22
1 2 1 1 4 .99 .01
1⅜ 4 1 1 6 2 10 14 11 2 51 1.50 -.13
1½ 1 3 9 9 11 7 7 5 1 53 1.25 .25
1⅝ 1 1 5 12 4 15 12 4 54 1.35 .27
1¾ 9 14 29 50 30 50 55 24 1 262 1.30 .45
1⅞ 4 11 12 29 50 31 6 143 1.64 .23
2 1 2 11 14 5 19 28 25 4 109 1.52 .48
2⅛ 1 2 2 5 1.80 .32
Totals or means, 1.73 3 18 21 63 108 64 134 172 104 13 1 701 1.41 .32

Table 21.—Classification of generation 6, minus series.

Grade of parents. Grade of offspring. Totals. Means. Regression.
0 -¼ ½ ¾ 1 1¼ 1½ 1¾ 2 2¼ 2½
-1⅛ 1 1 2 1 5 .85 .27
1⅜ 1 1 1 1 4 1.44 -.07
1½ 1 3 4 4 4 6 2 24 1.34 .16
1⅝ 1 1 11 16 3 17 28 17 94 1.45 .17
1¾ 1 1 8 14 39 20 39 77 43 2 244 1.49 .26
1⅞ 1 9 24 61 40 71 156 127 12 1 502 1.59 .28
2 1 3 5 12 32 22 37 89 76 5 1 283 1.58 .42
2⅛ 2 4 4 5 35 31 4 85 1.52 .60
2½ 2 5 3 1 11 1.82 .68
Totals or means, 1.86 3 6 25 66 159 94 177 396 300 22 4 1252 1.56 .30

Table 22.—Classification of generation 7, minus series.

Grade of parents. Grade of offspring. Totals. Means. Regression.
0 ¼ ½ ¾ 1 1¼ 1½ 1¾ 2 2¼ 2½ 2¾
1⅝ 1 1 2 1 5 1.55 .07
1¾ 1 2 1 1 6 11 9 1 32 1.67 .08
1⅞ 2 1 6 4 35 20 47 99 106 6 3 1 330 1.65 .22
2 8 14 51 60 119 368 324 22 3 969 1.72 .28
2⅛ 1 2 3 14 10 30 92 104 4 260 1.74 .38
2¼ 5 10 19 6 1 41 1.93 .32
2⅜ 2 2 4 1.63 .74
2½ 1 4 10 15 1.88 .62
2⅝ 1 3 8 5 1 18 2.28 .09
2¾ 3 3 6 1.87 .88
Totals or means, 2.01 2 2 17 24 101 92 211 594 584 43 8 2 1680 1.73 .28

Table 23.—Classification of generation 8, minus series.

Grade of parents. Grade of offspring. Totals. Means. Regression.
0 ½ ¾ 1 1¼ 1½ 1¾ 2 2¼ 2½ 2¾
1⅞ 1 9 8 1 19 1.84 .03
2 6 8 38 22 122 550 423 21 9 3 1202 1.81 .19
2⅛ 1 3 12 7 31 118 187 32 2 3 396 1.86 .26
2¼ 1 2 19 20 3 45 1.87 .38
2⅜ 1 1 11 17 30 1.87 .50
2½ 3 6 15 4 28 1.93 .57
2⅝ 3 2 1 6 1.67 .95
Totals or means, 2.05 1 6 11 52 30 162 715 671 61 11 6 1726 1.80 .25

Table 24.—Classification of generation 9, minus series.

Grade of parents. Grade of offspring. Totals. Means. Regression.
½ ¾ 1 1¼ 1½ 1¾ 2 2¼ 2½ 2¾
2 1 13 4 36 268 420 55 10 4 811 1.90 .10
2⅛ 1 1 25 110 218 40 7 1 403 1.93 .19
2¼ 1 1 7 43 77 12 6 1 148 1.93 .32
2⅜ 1 1 7 61 89 12 4 175 1.91 .46
2½ 1 2 6 23 14 5 2 53 2.07 .43
2⅝ 1 1 2.00 .62
Totals or means, 2.11 1 1 16 7 77 488 828 133 32 8 1591 1.92 .19