Samples and SurveysUnknown - 2013
A visit to the University of New Hampshire Survey Center illustrates how pollsters create accurate surveys. They can then use details from their sample to make inferences about a whole population.
Publisher: [Place of publication not identified] : Annenberg Learner (Firm), 
Copyright Date: ©2013
Characteristics: video file,rda 1 online resource (1 video file (9 min., 49 sec.)) : sound, color