Grab Samples are discrete subsets of a population thought to be representative of a specific area and a specific time, not necessarily taken at random.
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| Distribution | ■■■■ |
A Distribution is the concentration of an element at a point over time, over an area, or within a volumea . . . Read More | |
| Sample Size | ■■■■ |
The Sample Size is the number of specimens units to be collected or the relative size of each specimen, . . . Read More | |
| Sample | ■■■■ |
A Sample is a single item or specimen selected from a larger population, such as any subset of a population . . . Read More | |
| Random sample at psychology-glossary.com | ■■■■ |
Random sample refers to a survey procedure in which every person in the population being studied has . . . Read More | |
| Population | ■■■■ |
A population is (1) the whole number of inhabitants in a country, region or area(2) a set of individuals . . . Read More | |
| Sampler | ■■■ |
Sampler in the context of the environment refers to a device or instrument used to collect samples of . . . Read More | |
| Sampling and Analysis Plan | ■■■ |
The Sampling and Analysis Plan (SAP) is the detailed document created by the EPA. This Sampling and Analysis . . . Read More | |
| Gram | ■■■ |
Gram in the environmental context refers to a unit of mass measurement commonly used to quantify the . . . Read More | |
| Content validity at psychology-glossary.com | ■■■ |
Content validity is a test which is a representative sample of performance in some defined area of job-related . . . Read More | |
| Test battery at psychology-glossary.com | ■■■ |
A Test battery is a group of subtests, each assessing a different subject area but all normed on the . . . Read More | |