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Length-Weight Parameters for Petenia splendida
Length-weight (log a vs b) graph
    [n=2]
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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
0.03400 2.940   unsexed 3.1 - 15.5 FL  0.990  0.170 0.1513 15  Mexico Alvarado Lagoon System / 2007-2008. 
0.02200 3.015   unsexed 3.5 - 23.0 SL  0.985  0.038 0.0202 380  Mexico Grijalva River in Chiapas / 2006, 2009 
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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 = 2, geometric mean a = 0.0275, mean b = 2.98, SD log10(W) = 0.0583, SD log10(a) = 0.0943 SD b = 0.0374
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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