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 Nonpoint Source Pollution
is "Diffuse” pollution, generated from large areas with no particular point of pollutant
origin, but rather from many individual places.
A Nonrenewable resource
is a natural resource
from the Earth that exists in limited supply, like oil
. Once this supply is used up, the resource
is gone forever.
A Nonroad mobile sources is a Mobile sources not found on roads and highways (e.g., airplanes, trains, lawn mowers, construction vehicles, farm machinery).
A Nonwastewater (NWW)
is Wastes that do not meet the Criteria
for wastewaters defined below.
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.
A Nose Cone is Rounded deflectors attached to the front of a straight truck or box van that extends slightly over the cab of the truck. These devices may also be known as aerodynamic