Results of all QA/QC Exercises
for American Plaice, Hippoglossoides platessoides

Hippoglossoides platessoides


Initials for each age reader are given. All samples were collected by the NEFSC. Bowker’s test results either show the P-value, ‘n/s’ (not significant at the α = 0.05 level), or are left blank where the test was not applicable.

Sample Source Test Type Date Completed Age Reader Sample Size CV (%) Agreement (%) Bowker's test
2007 Commercial Samples (Q4) Precision 8/2008 JB 76 2.02 80.3 n/s
2007 Commercial Samples (Q3) Precision 8/2008 JB 77 1.59 83.1 n/s
2007 Commercial Samples (Q2) Precision 8/2008 JB 78 1.33 85.9 n/s
2007 Commercial Samples (Q1) Precision 8/2008 JB 75 1.84 78.7 n/s
2006 Commercial Samples (Q4) Precision 8/2008 JB 77 1.60 84.4 n/s
2006 Commercial Samples (Q3) Precision 8/2008 JB 78 1.27 84.6 n/s
2006 Commercial Samples (Q2) Precision 8/2008 JB 77 1.39 87.0 n/s
2006 Commercial Samples (Q1) Precision 8/2008 JB 78 2.24 73.1 n/s
2005 Commercial Samples (Q4) Precision 8/2008 JB 78 2.04 78.2 n/s
2005 Commercial Samples (Q3) Precision 8/2008 JB 75 1.54 82.7 n/s
2005 Commercial Samples (Q2) Precision 8/2008 JB 77 1.98 79.2 n/s
2005 Commercial Samples (Q1) Precision 8/2008 JB 78 1.53 80.8 n/s
2008 Spring Survey (200803) Precision 8/2008 JB 69 2.00 84.1 n/s
2007 Autumn Survey (200709) Precision 8/2008 JB 70 2.42 85.7 n/s
2007 Spring Survey (200703) Precision 8/2008 JB 74 2.24 86.5 n/s
2006 Autumn Survey (200610) Precision 8/2008 JB 67 2.01 89.6 n/s
2006 Spring Survey (200604) Precision 8/2008 JB 72 1.35 91.7  
2005 Autumn Survey (200510) Precision 8/2008 JB 69 2.03 87.0 n/s
2004 Commercial Samples (Q4) & 2004 Autumn Survey (200407) Precision 8/2004 JB 161 1.69 85.7 n/s


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(Modified May. 07 2009)