area sampling — noun A marketing technique in which a number of people or organizations within particular geographical areas are sampled at random • • • Main Entry: ↑area … Useful english dictionary
Sampling (statistics) — Sampling is that part of statistical practice concerned with the selection of individual observations intended to yield some knowledge about a population of concern, especially for the purposes of statistical inference. Each observation measures… … Wikipedia
Area codes 732 and 848 — Area code 732 was created on June 1, 1997, as the result of a split in New Jersey area code 908 [Newman, Andy. [http://query.nytimes.com/gst/fullpage.html?res=980CE2D8143DF931A35755C0A961958260 scp=3 sq=area+code+732 st=nyt New Area Codes… … Wikipedia
Sampling bias — In statistics, sampling bias is when a sample is collected in such a way that some members of the intended population are less likely to be included than others. It results in a biased sample, a non random sample[1] of a population (or non human… … Wikipedia
Sampling (music) — This article is about reusing existing sound recordings in creating new works. For other uses, see Sample (disambiguation). In music, sampling is the act of taking a portion, or sample, of one sound recording and reusing it as an instrument or a… … Wikipedia
Sampling (signal processing) — Signal sampling representation. The continuous signal is represented with a green color whereas the discrete samples are in blue. In signal processing, sampling is the reduction of a continuous signal to a discrete signal. A common example is the … Wikipedia
Sampling error — Contents 1 Description 1.1 Random sampling 1.2 Bias problems 1.3 Non sampling error 2 See also … Wikipedia
Cluster sampling — is a sampling technique used when natural groupings are evident in a statistical population. It is often used in marketing research. In this technique, the total population is divided into these groups (or clusters) and a sample of the groups is… … Wikipedia
Nonprobability sampling — Sampling is the use of a subset of the population to represent the whole population. Probability sampling, or random sampling, is a sampling technique in which the probability of getting any particular sample may be calculated. Nonprobability… … Wikipedia
Nyquist–Shannon sampling theorem — Fig.1: Hypothetical spectrum of a bandlimited signal as a function of frequency The Nyquist–Shannon sampling theorem, after Harry Nyquist and Claude Shannon, is a fundamental result in the field of information theory, in particular… … Wikipedia
Species-area curve — The species area relationship for a contiguous habitat In ecology, a species area curve is a relationship between the area of a habitat, or of part of a habitat, and the number of species found within that area. Larger areas tend to contain… … Wikipedia