The 17 regional champions who will compete in the 20th PSQ National Finals have been determined after the regional championships held simultaneously last November 17. The National Finals will be held on December 6 at the Bangko Sentral ng Pilipinas in Manila.

Regional championships for the 2009 Philippine Statistics Quiz (18th PSQ) were simultaneously held on 12 November all over the country spearheaded by the PSQ Regional Steering Committees with the support of local officials, government agencies and private institutions. First-time freshmen representing various colleges and universities, both public and private, and who are Filipino citizens participated in the contest.