> > No, no! On *average* it's greater than zero, > > Depends on the average you use - > Mean is > 0 > Median is > 0 > Mode is 0 Medians and modes are not averages. Besides, in the case of equal fightin' and equal vigor, the median *is* 0. > Jeff "Statistical pedantic" Tolle Matt "never out-pedanticized" Crawford