Fig. 1From: Circular Estimate Method (CEM) - a Simple Method to Estimate Caenorhabditis elegans Culture Densities in Liquid MediumThe coefficient of variation. Comparison among all the experiments (n = 12) showing a significant difference between methods (X ̅ = mean and SE = standard error). Different letters show significant statistical differences with respect to the sample volumes (α = 0.05)Back to article page