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Length-Weight Parameters for Polydactylus approximans
Length-weight (log a vs b) graph
    [n=4]
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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
0.01650 2.830   unsexed 21.5 - 36.8 TL  0.990  0.270 1.0134 9  Mexico near mouth of Rio Verde, Oaxaca / 2009-2010. 
0.01000 2.959   unsexed 5.2 - 35.6 TL  0.965  0.026   655  Mexico Gulf of California (Southern Sinaloa and Nayarit), 2005-2007 
0.00540 3.150   unsexed 5.0 - 25.0 TL  0.991  0.130 0.1303 22  Mexico Barra de Navidad lagoon / 2002-2003 
0.00520 3.180   unsexed 13.3 - 27.2 TL  0.990      47  Mexico Jalisco and Colima, 1995-96 
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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 = 4, geometric mean a = 0.0083, mean b = 3.03, SD log10(W) = 0.0283, SD log10(a) = 0.2078 SD b = 0.1435
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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