In the runs above and below the mean test of independence, the mean is
MEAN = (2*n1*n2)/N - (1/2)
So here, are n1 and n2 runs
above and below or instances of numbers
above and below?
In other words, is
n1 + n2 = N
or,
n1 + n2 = b (where b is equal to total number of runs)