02-01-2013, 11:37 AM
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Ling
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Join Date: Jun 2010
Location: South Central La
Posts: 3,903
Cash: 3,167
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Quote:
Originally Posted by MathGeek
The above graph shows weight vs. length of spotted sea trout measured by colleagues and I from Big Lake in 2011 and 2012. The blue line is the best fit line which produces the weights in the table below. Note that there are no measured fish longer than 27", so the table might be less accurate for longer fish. However, also note that of 247 fish measured, the trendline is within 1/2 lb for all of the 247 fish with the largest error being 0.427 lbs, so it is unlikely that a fish between 12" and 27" long would be more than 0.5 lbs different in weight from the table below. 91% of the fish measured were within 0.2 lbs of the trendline.
TL (in) Wt (lbs)
12 0.58
13 0.74
14 0.93
15 1.15
16 1.39
17 1.67
18 1.99
19 2.34
20 2.74
21 3.17
22 3.65
23 4.18
24 4.75
25 5.38
26 6.05
27 6.78
28 7.57
29 8.42
30 9.33
31 10.30
32 11.34
33 12.44
34 13.62
35 14.87
Oh, yeah, some of the fish in the graph were even caught by "W".
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Did you figure in the months that these were caught? Male vs female?
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