File talk:LandacreAmstutz1929 table3.jpg
Maximum Variation | |||||||
---|---|---|---|---|---|---|---|
Age Days-Hrs. |
Number of Litters |
Number of Embryos Counted |
Means | All Embryos | One Litter | Standard Deviation |
Coefficient of Variation % |
10-12 | 1 | 4 | 8.7 | 6-11 | 6-11 | 2.8 | 32 |
10-13 | 1 | 6 1 | 0. 2 | 8-13 | 8-13 | 1.9 | 19 |
10-16 | 2 | 12 | 12.4 | 6-26 | 6-26 | 5.8 | 47 |
10-17 | 6 | 48 | 12.9 | 4-26 | 7-26 | 3 .3 | 26 |
10-18 | 4 | 23 | 14.1 | 6-18 | 9-18 | 3.1 | 22 |
10-19 | 1 | 6 | 14 .3 | 12-17 | 12-17 | 1.2 | 8 |
10-22 | 3 | 16 | 13.1 | 6-19 | 6-14 | 3.9 | 30 |
10-23 | 3 | 17 | 15.2 | 8-18 | 8-18 | 2.4 | 16 |
11-00 | 2 | 0 | 14.6 | 10-17 | 10-17 | 1.9 | 13 |
11-02 | 2 | 15 | 20 . 9 | 17-22 | 17-22 | 1. 3 | 6 |
11-04 | 1 | 10 | 25. 3 | 23-26 | 23-26 | 1.2 | 5 |
11-06 | 1 | 2 | 18.0 | 18-18 | 18-18 | .0 | 0 |
11-08 | 1 | 8 | 25 0 | 23-28 | 23-28 | 1.9 | 8 |
11-09 | 1 | 3 | 22 .0 | 20-25 | 20-25 | 2 . 2 | 10 |
11-10 | 2 | 18 | 26.2 | 21-31 | 21-31 | 2.9 | 11 |
11-11 | 3 | 26 | 25.6 | 14-29 | 14-27 | 3.2 | 12 |
11-12 | 1 | 3 | 26. 7 | 25-28 | 25-28 | 1.2 | 4 |
11-14 | 1 | 3 | 21.3 | 21-22 | 21-22 | .6 | 2 |
11-15 | 1 | 8 | 23.1 | 17-28 | 17-28 | 4 . 0 | 17 |
11-16 | 1 | 7 | 26.7 | 24-28 | 24-28 | 1.3 | 5 |
11-17 | 1 | 7 | 26.1 | 25-28 | 25-28 | 1.1 | 4 |
11-18 | 3 | 25 | 25 .4 | 19-28 | 19-28 | 1.9 | 7 |
11-20 | 2 | 16 | 27.2 | 25-29 | 25-29 | 1.2 | 4 |
23 Ages | 44 | 292 | Av 2.2 | Av 13% | |||
Data Reference[1] Links: rat | somitogenesis |
Table III Showing Means And Variation For Each Age | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Reference: Landacre FL. and Amstutz MM. Data on the number of somites compared with age in the white rat. (1929) Ohio J. Science. 29(6): 253-259. |
Table III Showing Means And Variation For Each Age
Maximum Variation | |||||||
---|---|---|---|---|---|---|---|
Age Days-Hrs. |
Number of Litters |
Number of Embryos Counted |
Means | All Embryos | One Litter | Standard Deviation |
Coefficient of Variation % |
10-12 | 1 | 4 | 8.7 | 6-11 | 6-11 | 2.8 | 32 |
10-13 | 1 | 6 1 | 0. 2 | 8-13 | 8-13 | 1.9 | 19 |
10-16 | 2 | 12 | 12.4 | 6-26 | 6-26 | 5.8 | 47 |
10-17 | 6 | 48 | 12.9 | 4-26 | 7-26 | 3 .3 | 26 |
10-18 | 4 | 23 | 14.1 | 6-18 | 9-18 | 3.1 | 22 |
10-19 | 1 | 6 | 14 .3 | 12-17 | 12-17 | 1.2 | 8 |
10-22 | 3 | 16 | 13.1 | 6-19 | 6-14 | 3.9 | 30 |
10-23 | 3 | 17 | 15.2 | 8-18 | 8-18 | 2.4 | 16 |
11-00 | 2 | 0 | 14.6 | 10-17 | 10-17 | 1.9 | 13 |
11-02 | 2 | 15 | 20 . 9 | 17-22 | 17-22 | 1. 3 | 6 |
11-04 | 1 | 10 | 25. 3 | 23-26 | 23-26 | 1.2 | 5 |
11-06 | 1 | 2 | 18.0 | 18-18 | 18-18 | .0 | 0 |
11-08 | 1 | 8 | 25 0 | 23-28 | 23-28 | 1.9 | 8 |
11-09 | 1 | 3 | 22 .0 | 20-25 | 20-25 | 2 . 2 | 10 |
11-10 | 2 | 18 | 26.2 | 21-31 | 21-31 | 2.9 | 11 |
11-11 | 3 | 26 | 25.6 | 14-29 | 14-27 | 3.2 | 12 |
11-12 | 1 | 3 | 26. 7 | 25-28 | 25-28 | 1.2 | 4 |
11-14 | 1 | 3 | 21.3 | 21-22 | 21-22 | .6 | 2 |
11-15 | 1 | 8 | 23.1 | 17-28 | 17-28 | 4 . 0 | 17 |
11-16 | 1 | 7 | 26.7 | 24-28 | 24-28 | 1.3 | 5 |
11-17 | 1 | 7 | 26.1 | 25-28 | 25-28 | 1.1 | 4 |
11-18 | 3 | 25 | 25 .4 | 19-28 | 19-28 | 1.9 | 7 |
11-20 | 2 | 16 | 27.2 | 25-29 | 25-29 | 1.2 | 4 |
23 Ages | 44 | 292 | Av 2.2 | Av 13% |
TABLE III. SHOWING MEANS AND VARIATION FOR EACH AGE.
MAXIMUM VARIATION
AGE NUMBER NUMBER STANDARD COEFFICIENT Days-Hrs. or EMBRYOS MEANS Au ONE DEWATION or VARIA- LIITERS COUNTED EMBRYOS Ln-1-ER TION—% 10-12 1 4 8.7 6-11 6-11 2.8 32 10-13 1 6 10. 2 8-13 8-13 1.9 19 10-16 2 12 12.4 6-26 6-26 5.8 47 10-17 6 48 12 . 9 4-26 7-26 3 .3 26 10-18 4 23 14.1 6-18 9-18 3.1 22 10-19 1 6 14 .3 12-17 12-17 1.2 8 10-22 3 16 13.1 6-19 6-14 3.9 30 10-23 3 17 15.2 8-18 8-18 2.4 16 11-00 2 0 14.6 10-17 10-17 1.9 13 11-02 2 15 20 . 9 17-22 17-22 1. 3 6 11-04 1 10 25 3 23-26 23-26 1.2 5 11-06 1 2 18 0 18-18 18-18 .0 0 11-08 1 8 25 0 23-28 23-28 1.9 8 11-09 1 3 22 .0 20-25 20-25 2 . 2 10 11-10 2 18 26.2 21-31 21-31 2.9 11 11-11 3 26 25.6 14-29 14-27 3.2 12 11-12 1 3 26. 7 25-28 25-28 1.2 4 11-14 1 3 21.3 21-22 21-22 .6 2 11-15 1 8 23.1 17-28 17-28 4 . 0 17 11-16 1 7 26.7 24-28 24-28 1.3 5 11-17 1 7 26.1 25-28 25-28 1.1 4 11-18 3 25 25 .4 19-28 19-28 1.9 7 11-20 2 16 27.2 25-29 25-29 1.2 4 23 Ages 44 292 Av 2 2 Av 13%
- ↑ 1.0 1.1 Landacre FL. and Amstutz MM. Data on the number of somites compared with age in the white rat. (1929) Ohio J. Science. 29(6): 253-259.