Results of silver hake inter-reader precision test
using randomly selected samples from the 2004 NEFSC spring survey.
plot, showing the ages attained by each reader. A small amount of noise was added to the data to improve visibility of overlapping data points. (B) Age-frequency table, showing each reader's ages. Numbers in the shaded boxes indicate agreement between the two readers. Numbers above this diagonal indicate fish which were given higher ages by NS; those below the shaded boxes were given higher ages by KL. Total age frequencies are given by age for both readers. (C) Results summary, indicating KL's results relative to each of NS's ages.
2004 Spring Survey (200402)
KL* vs. NS
P = 0.002
*KL aged this year's samples in lieu of the the primary reader (NS).