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Length-Weight Parameters for Semaprochilodus insignis
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
0.05620 2.740   female 10.5 - 29.5 SL  0.979  0.040 0.0456 387  Brazil Amazon River / 2006-2008 
0.04520 2.820   mixed 10.5 - 29.5 SL  0.964  0.050 0.0607 410  Brazil Amazon River / 2006-2008 
0.01660 3.170   male 12.3 - 22.0 SL  0.980  0.200 0.2378 23  Brazil Amazon River / 2006-2008 
0.01573 3.193   unsexed 10.0 - 27.5 SL  0.960  0.050 0.0654 180  Brazil Madiera River, Amazon / 2008-2011 
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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 = 0.0288, mean b = 2.98, SD log10(W) = 0, SD log10(a) = 0.2496 SD b = 0.2030
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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