Using empirical data we obtained and MS Excel Regression analysis, the best formula we have for
estimating the weight of a bowfin is G^2*L/780 +0.75 = W, where G is the girth (circumference) in inches, L is the length in inches, and W is the weight in pounds. The prediction factor is 0.96, with 0 meaning the formula doesn't predict
the data at all and 1 is a perfect prediction, so we are very close
with this formula.The values in Table 1 were calculated with this. The girths we found in our dataset, expressed as a fraction of the length ranged from a low of .42*L to a high of .57*L so I restricted my table to these limits.