Non-sampling error — In statistics, non sampling error is a catch all term for the deviations from the true value that are not a function of the sample chosen, including various systematic errors and any random errors that are not due to sampling.[1] Non sampling… … Wikipedia
Sampling error — Contents 1 Description 1.1 Random sampling 1.2 Bias problems 1.3 Non sampling error 2 See also … Wikipedia
sampling error — The principal aim of any sampling procedure is to obtain a sample which, subject to limitations of size, will reproduce the characteristics of the population being studied, especially those of immediate interest, as closely as possible. In… … Dictionary of sociology
error (sampling and non-sampling) — There are many sources of inaccuracy, or error, in a survey. Sampling error consists of bias in sample selection procedures, plus random sampling error. Non response bias can be measured and analysed after interviewing is completed. There is… … Dictionary of sociology
sampling error — Any difference between the true parameters of a population and a conclusion about these parameters based on a sample of the population. Sampling errors are of two kinds. The first, which is inevitable, arises from the laws of statistics and… … Big dictionary of business and management
non-sampling errors — All the errors that can occur in marketing research other than the sampling error These can include a badly phrased questionnaire, an error made by the interviewer, an error made by the respondent, etc … Big dictionary of business and management
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
non-response — The proportion of people among those invited to participate in a non compulsory interview survey , or other study, who choose not to take part or are unobtainable for other reasons. Non response covers all causes of non participation: refusals;… … Dictionary of sociology
Margin of error — This article is about the statistical precision of estimates from sample surveys. For safety margins in engineering, see Factor of safety. For tolerance in engineering, see Tolerance (engineering). Not to be confused with Margin for Error. The… … Wikipedia
Non-line-of-sight propagation — Non line of sight (NLOS) or near line of sight is a term used to describe radio transmission across a path that is partially obstructed, usually by a physical object in the innermost Fresnel zone. Many types of radio transmissions depend, to… … Wikipedia
