Khan Academy
Khan Academy: Welcome to Sql
SQL is useful for creating and querying relational databases. Learn how to use SQL with this interactive course! [2:04]
Crash Course
Crash Course Navigating Digital Information #8: Data & Infographics
Today, we're going to discuss how numbers, like statistics, and visual representations like charts and infographics can be used to help us better understand the world or profoundly deceive. Data is a really powerful form of evidence...
Khan Academy
Khan Academy: Small Sample Hypothesis Test
Sal walks through an example of a hypothesis test where he determines if there is sufficient evidence to conclude that a new type of engine meets emission requirements. [9:04]