National Science Foundation
National Science Foundation: Opinion Polls & Random Sampling
During political elections, news organizations often use public opinion polls to help gauge which candidate is the front runner, and why. University of Michigan's Dr. Vincent Hutchings explains the science of random sampling that makes...
Google
Google: A Tour of Google Forms
An overview of Google Forms. Learn how to create a form, add questions, share your form with collaborators, send it to friends, and view responses to your form. [3:30]