Confidence IntervalsStreaming Video - 2013
A battery manufacturer tests a sample of its product to verify its claims about battery life. A margin of error and a confidence level help quantify its accuracy.
Publisher: [Place of publication not identified] : Annenberg Learner (Firm), 
Copyright Date: ©2013
Characteristics: video file,rda 1 online resource (1 video file (9 min., 46 sec.)) : sound, color