Examlex
If you measure the velocity of a cloud of gas that is rotating around the center of a galaxy in a circular orbit with radius R, you can determine:
Federal Regulations
Laws governed at the national level that set forth rules and standards to control or govern behavior within its borders.
Stratified Sample
A method of sampling that involves dividing a population into subgroups and then taking a sample from each subgroup to ensure representation.
Adult Population
Refers to the segment of society that includes individuals considered legally adults, typically over the age of 18.
Unobtrusive Method
Research techniques that study behaviors and phenomena without intervening or altering the subjects' natural environment.
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