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Length-Weight Parameters for Parastromateus niger
Length-weight (log a vs b) graph
    [n=13]
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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
0.06900 2.573   female 19.3 - 36.3 TL  0.960      12  India Southern coast of Karnataka / 1999-2001 
0.06250 2.642   unsexed     TL  0.960        Indonesia Pulau Sea, South Kalimantan 
0.05300 2.655   male 17.2 - 35.0 TL  0.980      23  India Southern coast of Karnataka / 1999-2001 
0.04500 2.729   unsexed 16.6 - 30.4 TL  0.936  0.146 0.2061 96  Indonesia Java Sea, north of Madura Island / 2016-2016 
0.05103 2.862   unsexed     NG  0.958        China Daya Bay / 1985-1986 
0.05800 2.878   female 7.0 - 31.0 SL  0.980      54  Philippines Lingayen Gulf, 1978-79 
0.02630 2.899   unsexed 17.8 - 48.0 TL  0.990  0.071 0.1082 89  Iran Strait of Hormuz / 2013-2014 
0.02630 2.899   unsexed 17.8 - 48.0 TL  0.990  0.071 0.1082 89  Iran Strait of Hormuz / 2013-2014. 
0.04200 2.966   male 13.0 - 33.0 SL  0.980      91  Philippines Lingayen Gulf, 1978-79 
0.03220 3.010   unsexed 8.0 - 32.4 FL  0.993  0.120 0.1537 346  China Beibu Gulf / 2006-2007 
0.02110 3.012   unsexed     FL          Bangladesh Bay of Bengal, 1995-97 
0.01000 3.062   mixed 32.0 - 56.0 TL  0.927      115  India Godavary estuary 
0.00730 3.319   unsexed 5.0 - 38.0 TL  0.889        Indonesia Western region 
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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 = 13, geometric mean a = 0.0331, mean b = 2.88, SD log10(W) = 0.1503, SD log10(a) = 0.2886 SD b = 0.1936
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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