00334nam a2200121 a 450000500170000008200180001710000280003524500330006326000440009630000220014049000350016263000150019720251202164240.0  a658.0051bHBR  aHarvard Business Review  aStatistical decisions part 1  aNew YorkbHarvard Business Reviewc1959  a204 p.c24 cmcHB  aHarvard Business Review  21190  aManagement