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Length-Weight Parameters for Sphyrna zygaena
Length-weight (log a vs b) graph
    [n=5]
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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
0.01621 2.700   female 70.0 - 115.5 TL  0.837  1.191 0.4306 113  Brazil southeastern Brazil / 1996-2003 
0.01170 2.770   mixed 66.0 - 140.5 TL  0.869  0.101 0.2833 210  Brazil southeastern Brazil / 1996-2003 
0.00851 2.840   male 66.0 - 140.5 TL  0.901  0.945 0.3693 97  Brazil southeastern Brazil / 1996-2003 
0.00836 3.019   mixed 56.0 - 310.0 TL  0.939      2048  Ecuador central-southeast Pacific Ocean/2008-2012 
0.00142 3.300   unsexed     TL          South Africa  
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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 = 5, geometric mean a = 0.0083, mean b = 2.89, SD log10(W) = 0, SD log10(a) = 0.3081 SD b = 0.1892
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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