Table III - Showing Means and Variation for Each Rat Age
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|
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Maximum Variation
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Age Days-Hrs.
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Number of Litters
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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%
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Data Reference[1] Links: rat | somitogenesis
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