Results of tilefish precision test using randomly selected samples from all quarters of the 2009 NEFSC commercial samples. (A) Agreement
plot, showing both the production and test ages. A small amount of noise was added to the data to improve visibility of overlapping data points. (B) Age-frequency table, showing the test ages across the top and the production ages on the left. Numbers in the shaded boxes indicate agreement between the two ages. Numbers above this diagonal indicate fish which were under-aged during the test; those below the shaded boxes were over-aged. Total age frequencies are given by age for both the test and production ages. (C) Results summary, indicating results of the test for each production age.
| Species: |
Tilefish
| Test Type: |
Precision
|
| Sample Source: |
2009 Commercial Samples (Q1-4) |
| Age Reader: |
NJ* |
Date Completed: |
August 2013 |
| Number Aged: |
607 |
Number Tested: |
98 |
| CV: |
5.88% |
Agreement: |
54.1% |
| Bowker's test: |
Not significant |
*NJ married to become NH in fall 2013.
|
A. Agreement
Plot
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B. Age-Frequency Table
| Test | Production Age | | | Age | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | Total | | Total | | | 1 | 13 | 18 | 17 | 13 | 7 | 1 | 3 | 4 | 6 | 2 | 4 | 1 | 3 | 1 | 1 | 2 | 1 | | | | | 98 | | 0 | |
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C. Results Summary
| Production Age |
N |
N Agreed |
Percent Agreed |
Average Test Age | | 2 | 1 | 0 | 0 % | 3.00 | | 3 | 13 | 9 | 69 % | 3.31 | | 4 | 18 | 12 | 67 % | 4.22 | | 5 | 17 | 11 | 65 % | 5.00 | | 6 | 13 | 12 | 92 % | 6.08 | | 7 | 7 | 2 | 29 % | 7.14 | | 8 | 1 | 1 | 100 % | 8.00 | | 9 | 3 | 0 | 0 % | 9.33 | | 10 | 4 | 2 | 50 % | 10.75 | | 11 | 6 | 2 | 33 % | 12.67 | | 12 | 2 | 0 | 0 % | 13.00 | | 13 | 4 | 0 | 0 % | 14.75 | | 14 | 1 | 0 | 0 % | 15.00 | | 15 | 3 | 2 | 67 % | 15.33 | | 16 | 1 | 0 | 0 % | 15.00 | | 17 | 1 | 0 | 0 % | 16.00 | | 18 | 2 | 0 | 0 % | 19.50 | | 19 | 1 | 0 | 0 % | 22.00 |
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