The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.
Table III Showing Means And Variation For Each Age
|
Table III - Showing Means and Variation for Each Rat 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%
|
Data Reference[1] Links: rat | somitogenesis
|
|
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.
|