Table 2: The signal-to-noise ratio of four different gene sequences.

Gene categoriesExonIntron
Number -mean VarianceNumber -mean Variance

Human353.023.071260.820.533
Mus musculus 3572.462.5082750.680.414
Sewer rat4535.233350.830.624
Mammalian8272.726.2436260.670.394