$ ministat -A -c 99 before_unix after_unixx before_unix+ after_unix N Min Max Median Avg Stddevx 10 1.528 1.624 1.5445 1.5636 0.035842867+ 10 1.576 1.701 1.6145 1.6229 0.037869513Difference at 99.0% confidence 0.0593 +/- 0.0474548 3.79253% +/- 3.08989% (Student's t, pooled s = 0.0368701)---snap---