Science Education Resource Center at Carleton College
Serc: Nitrate Levels in the Rock Creek Park Watershed: Meas of Central Tendency
Activity uses water-quality data from Rock Creek Park to illustrate elementary statistical measures of exploratory data analysis. The focus of the lesson is the nutrient limitation in a stream and the three measures of central tendency.
Science Education Resource Center at Carleton College
Serc: Nitrate Levels in the Rock Creek Park Watershed: Variability
Learning module focuses on measures of variability such as range, variance, and standard deviation which are used to examine nitrate levels and water quality.