Science Buddies
Science Buddies: Data Analysis for Advanced Science Projects
The importance of data analysis in science projects is explained. Describes common mistakes young scientists make. The article then discusses how to find out what the standard methods of data analysis are for the type of research you...
Khan Academy
Khan Academy: Life Tables, Survivorship, & Age Sex Structure
This article describes tools ecologists use to describe the present state of a population and predict its future growth.