Glossary N
Nonparametric Tests are all studies involving ranked data, i.e., data that can be put in order and used when there is no assumption that the population has a normal distribution or when the population is known to have low and high values and valuable in detecting population differences when certain assumptions are not satisfied.
A Nonroad mobile sources is a Mobile sources not found on roads and highways (e.g., airplanes, trains, lawn mowers, construction vehicles, farm machinery).
The Normal Distribution (statistical) is a frequency of data occurrence where most of the data points are located near the mean; seen statistically as a symmetrical bell-shaped curve.
Deutsch: Nordosten der Vereinigten Staaten / Español: Noreste de Estados Unidos / Português: Nordeste dos Estados Unidos / Français: Nord-est des États-Unis / Italiano: Nord-est degli Stati Uniti
The Northeastern United States is a region that includes states like New York, Pennsylvania, New Jersey, Massachusetts, and Connecticut, among others. In the environmental context, the Northeast is known for its rich natural diversity, dense population, and historical role in industrialization, which has led to both environmental challenges and significant strides in sustainability. The region faces issues such as air and water pollution, urban sprawl, and climate change impacts, while also leading in renewable energy adoption, conservation efforts, and environmental policy innovations.