  Jeans mass calculated with different combination of parameters involved has
shown interesting variation with remarkable shifting of position of peak value
from x = m/T = 0.5 to 5.5. The standard deviation is 2.217. In particular,
using the harmonic mean square velocity, shifts the peak Jeans mass to x = m/T
~ 2, which is remarkably less than previously reported value of 4.2. Different
scales of neutrino structures including virialized moments have also been
compared.
