The world celebrated the first World Statistics Day on 20 October 2010.
More about the World Statistics Day on United Nations' web site.
Statement by Paul Cheung
Worldwide Celebration Activities
ISLP exercises for the use of the schools:
Grades 1−2: Farm The most representative student
Grades 3-4: Card Game The most representative student
Grades 5-6 Card Game
Grades 7-9: Card Game
Upper secondary school: Card Game