Table 12.—Classification of generation 12, plus series.
Grade of parents.
Grade of offspring.
Totals.
Means.
Regression.
2½
3
3¼
3½
3¾
4
4¼
4½
4¾
5
5¼
3¾
4
20
7
4
35
3.83
-.08
3⅞
2
19
17
6
2
2
48
3.96
.09
4
1
1
10
53
59
12
5
1
1
2
145
3.93
.07
4⅛
1
2
17
86
83
28
6
3
1
227
3.91
.21
4¼
1
7
19
29
11
3
1
71
3.94
.31
4⅜
3
6
14
10
7
3
1
1
45
4.13
.24
4½
1
4
1
1
7
4.14
.36
4⅝
1
3
4
3
11
3.90
.72
5
1
1
4.75
.25
Totals or means, 4.09
1
3
3
43
207
217
75
23
11
4
3
590
3.94
.17
Table 13.—Classification of generation 13, plus selection series.
Grade of parents.
Grade of offspring.
Totals.
Means.
Regression.
2¾
3¼
3½
3¾
4
4¼
4½
4¾
4
4
17
23
19
2
65
3.67
.31
4⅛
1
8
16
5
1
31
3.97
.15
4¼
1
5
10
20
6
1
43
3.93
.32
4⅜
1
5
3
1
10
3.85
.52
4½
1
14
15
7
3
40
3.98
.52
4⅝
3
1
1
5
3.95
.80
Totals or means, 4.22
1
4
25
63
74
21
5
1
194
3.88
.34
Table 14.—Summary of the results of thirteen generations of plus selection based on Tables 1-13.
Generation.
No. of offspring.
Mean, parents.
Mean, offspring.
Standard deviation, parents.
Standard deviation, offspring.
Correlation, parents-offspring.
Absolute regression of offspring on parents.
Advance of parents.
Advance of offspring.
1
150
2.51
2.05
.313
.541
.298
.46
2
471
2.52
1.92
.307
.732
.317
.60
.01
-.13
3
341
2.73
2.51
.285
.531
.331
.22
.21
.59
4
444
3.09
2.73
.215
.468
.066
.36
.36
.22
5
610
3.33
2.90
.240
.505
.160
.43
.24
.17
6
861
3.52
3.11
.209
.490
.180
.41
.19
.21
7
1,077
3.56
3.20
.212
.555
.215
.36
.04
.09
8
1,408
3.75
3.48
.246
.439
.099
.27
.19
.28
9
1,322
3.78
3.54
.112
.346
.210
.24
.03
.06
10
776
3.88
3.73
.112
.362
.116
.15
.10
.19
11
697
3.98
3.78
.113
.289
.233
.20
.10
.05
12
590
4.09
3.94
.176
.302
.161
.15
.11
.16
13
194
4.22
3.88
.433
.270
.132
.34
.13
-.06
Total
8,941
Table 15.—Mean grade and number of offspring produced by parents of a particular grade in each generation of the plus selection series, based on Tables 1-13. The grade of the parents is indicated at the head of each column. In the body of the table is recorded the grade of the offspring (in light-faced figures) and the number of offspring (in heavy-faced figures).
Generation.
Grade of parents; below, grade and number of their offspring.
Total number of offspring.
2
2⅛
2¼
2⅜
2½
2⅝
2¾
2⅞
3
3⅛
3¼
3⅜
3½
3⅝
3¾
3⅞
4
4⅛
4¼
4⅜
4½
4⅝
4¾
1
1.76
1.87
2.06
2.15
2.12
2.35
18
20
37
5
51
12
2
1.70
1.28
1.87
1.92
1.80
2.11
1.92
2.41
2.47
2.50
46
56
8
45
133
44
52
23
59
5
3
2.06
2.15
2.32
2.63
2.46
2.70
2.49
3.07
3.17
2.91
21
17
54
64
43
47
71
10
6
8
4
2.55
2.65
2.97
2.60
2.69
2.89
2.70
3.02
2.75
11
18
37
143
122
64
23
20
6
5
3.00
2.87
2.81
2.81
2.81
2.94
2.87
3.08
3.07
3.35
3.36
3.00
12
21
15
114
138
145
69
64
14
8
7
3
6
3.25
2.84
3.10
2.96
3.10
3.16
3.22
3.26
3.41
2
28
143
123
212
181
78
80
14
7
2.87
3.09
2.97
3.18
3.23
3.35
3.49
3.53
3.75
28
131
160
177
289
184
90
15
3
1,077
8
3.46
3.50
3.49
3.53
3.31
3.72
3.69
3.96
59
484
469
238
64
60
22
8
1,408
9
3.25
3.43
3.50
3.65
3.57
3.57
3.75
3.50
4
244
591
424
45
7
4
3
1,322
10
3.69
3.72
3.76
3.87
3.84
257
347
120
44
8
776
11
3.75
3.70
3.87
3.81
3.91
3.94
11
333
214
110
25
4
697
12
3.82
3.96
3.93
3.91
3.94
4.12
4.14
3.90
4.75
35
48
145
227
71
45
7
11
1
590
13
3.67
3.97
3.93
3.85
3.98
3.95
65
31
43
10
40
5
194
8,941
Table 16.—Classification of the offspring in generation 1 of the minus selection series.