re only 7.94% percent of those promoted. Of course, [HN141 statistical significance is not always synonymous with legal significance. EEOC v. Fed. Reserve Bank of Richmond, 698 F.2d 633, 648 (4th Cir. 1983) rev'd on other grounds sub nom. Cooper v. Fed. Reserve Bank of Richmond, 467 U.S. 867, 104 S. Ct. 2794, 81 L. Ed