270 H. S. REED 
Table ii. Quartile distribution on each successive day of measurement of plants ending in the fourth 
guartile 
Quartile 
56 
63 
Total 
Percent of 
14 
21 
28 
35 
42 
49 
77 
No. 
Grand Total 
I 
3 
2 
I 
0 
0 
0 
0 
0 
0 
0 
6 
4.29 
II 
4 
I 
4 
2 
I 
0 
0 
0 
0 
0 
12 
8.57 
Ill 
2 
7 
4 
8 
7 
7 
4 
2 
0 
0 
41 
29.29 
IV 
5 
4 
5 
4 
6 
7 
10 
12 
14 
14 
81 
57.86 
Mean quartile 
position . . . 
2.642 
2.928 
2.928 
3-142 
3-357 
3-500 
3-714 
3-857 
4.000 
4.000 
a 
1. 137 
•965 
•965 
-643 
.611 
-500 
-455 
-353 
0.000 
0.000 
Grand Total . . . 
140 
Table 12. Number and percentage of the measurements falling in the several quartiles for plants 
ending in a given quartile 
Quartile in 
which Plants 
Ended 
Quartile Positions Observed During^ Growth of Plants 
Total 
Theoretical 
Standard 
Deviations 
Observed 
Standard 
Deviations 
I 
II 
III 
IV 
No. 
Percent 
No. 
Percent 
No. 
Percent 
No. 
Percent 
I 
II 
in 
IV 
lOI 
26 
17 
6 
67.33 
18.57 
11-33 
4-29 
25 
74 
29 
12 
16.67 
52.86 
19-33 
8.57 
9 
24 
76 
41 
6.C0 
17.14 
50.67 
29.29 
15 
16 
28 
81 
10.00 
11-43 
18.67 
57.86 
150 
140 
15c 
140 
3.55 
3.63 
3.58 
3.64 
25.67 
16.40 
14.36 
20.74 
Total 
150 
140 
150 
140 
580 
Mean 
percent. . 
22.88 
24.36 
25.78 
24.49 
Table 13. Successive increases in mean height of plants ending in various quartiles. {Height in 
centi?,'. eters) 
Increase in mean height of plants since the preceding measurement 
Days 
Plants Ended. 
7 
14 
21 
28 
35 
42 
49 
56 
63 
70 
77 
84 
I 
7-8 
17.1 
29.4 
28.8 
32.0 
26.6 
20.3 
13-4 
8-4 
3-5 
0.6 
0.1 
II 
7-8 
19.7 
31-I 
27-5 
31.0 
37-0 
32.5 
20.6 
14.4 
4-1 
1-5 
I.I 
Ill 
8.2 
18.0 
31-3 
29.8 
33-4 
43-4 
45-7 
28.3 
15-4 
4-6 
3-8 
0.2 
IV 
7.9 
19.0 
34-3 
33-2 
36.0 
45-5 
48-7 
39-5 
29.0 
5-7 
2.4 
0.5 
