This is a one-minute segment from my research of school hallways. If you would like to see my complete dissertation on the topic, take a look at www.don.ratcliffs.net/qual. This segment is being used in a class I teach in statistics. School Hallway 1 5 Don Ratcliff 2005-01-11 11:42:37 2006-03-16 09:25:06 1 5.00