Revelation of the significance factors ball lightning (BL) color and w
ay of disappearance for parameters BL diameter and BL lifetime was mad
e. The information used in the analysis was from the Stakhanov-Keul-By
chkov data bank on ball lightning. The factor BL color turned out to b
e insignificant for the parameters BL lifetime and BL diameter while t
he factor BL way of disappearance was significant for them.