ESS210B
Prof. Jin-Yi Yu
F-Distribution
qHere:
q      X  =  S12/S22
q         n1 = degree of freedom of sample 1
q         n2 = degree of freedom of sample 2
q       K(n1 , n2 ) = a constant to make the 
q                             total area under the
q                             f(x) curve to be 1