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Length-Weight Parameters for Torpedo torpedo
Length-weight (log a vs b) graph
    [n=6]
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a b Country Locality
Score a b Doubtful? Sex Length (cm) Length
type 		r2 SD b SD log10 a n Country Locality
0.04540 2.689   unsexed 14.8 - 31.8 FL  0.978      9  Portugal Algarve 
0.04544 2.689   unsexed 14.8 - 31.8 TL  0.960      9  Portugal Algarve, 1996-97 
0.02550 2.900   unsexed 25.0 - 39.0 TL        2  France Mediterranean 
0.01330 3.045   unsexed 9.3 - 38.5 TL  0.980      28  Northwestern Mediterranean / 2011-2013. 
0.01396 3.050   unsexed 18.7 - 49.2 TL  0.993  0.229 0.2816   Portugal Arade estuary, central Algarve, 2004-2007 
0.01190 3.130   mixed 10.5 - 35.5 TL          Mediterranean: south of Sicily and south of Malta / 1990-2018. 
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Preliminary parameter estimates are provided below, based on your selection of studies and weighted by the scores.
You may want to exclude or give less weight to studies that are far from the regression line in the graph.
Selected studies = 6, geometric mean a = 0.0224, mean b = 2.91, SD log10(W) = 0.0332, SD log10(a) = 0.2492 SD b = 0.1766
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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