Figure 4.

Illustration of convergence to normality. The histograms belong to processes shown in Figure 3. (a) Lognormal processes (skeweness 6.2, kurtosis 106). (b) Distribution of sums of 80 lognormals (skeweness 1.2, kurtosis 2). In both cases, solid lines belong to standard normal.

Rosenfeld EURASIP Journal on Bioinformatics and Systems Biology 2009 2009:362309   doi:10.1155/2009/362309