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precision sample

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  • Sample size determination — is the act of choosing the number of observations to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample …   Wikipedia

  • Sample rate conversion — is the process of converting a (usually digital) signal from one sampling rate to another, while changing the information carried by the signal as little as possible. When applied to an image, this process is sometimes called image scaling.Sample …   Wikipedia

  • Sample Preparation Equipment — refers to equipment used for the preparation of physical specimens for subsequent microscopy or related disciplines including failure analysis and quality control. The equipment includes the following types of machinery:* Precision cross… …   Wikipedia

  • Sample size — The sample size of a statistical sample is the number of observations that constitute it. It is typically denoted n , a positive integer (natural number).Typically, all else being equal, a larger sample size leads to increased precision in… …   Wikipedia

  • sample preparation — ▪ chemistry Introduction  in analytical chemistry (chemistry), the processes in which a representative piece of material is extracted from a larger amount and readied for analysis. Sampling and sample preparation have a unique meaning and special …   Universalium

  • precision — precisional, adj. /pri sizh euhn/, n. 1. the state or quality of being precise. 2. accuracy; exactness: to arrive at an estimate with precision. 3. mechanical or scientific exactness: a lens ground with precision. 4. punctiliousness; strictness:… …   Universalium

  • Biased sample — A biased sample is a statistical sample of a population in which some members of the population are less likely to be included than others. If the bias makes estimation of population parameters impossible, the sample is a non probability… …   Wikipedia

  • Simple random sample — In statistics, a simple random sample is a subset of individuals (a sample) chosen from a larger set (a population). Each individual is chosen randomly and entirely by chance, such that each individual has the same probability of being chosen at… …   Wikipedia

  • Half precision — In computing, half precision is a computer numbering format that occupies only half of one storage location (word) in computer memory at some address. A half precision number may be defined to be a binary or decimal integer, fixed point, or… …   Wikipedia

  • Namiki Precision Jewel Co., Ltd. — Namiki Precision Jewel Co.,Ltd. 並木精密宝石株式会社 Type Kabushiki kaisha Founded 28 August 1953 Headquarters Adachi ku, Tokyo, Japan Key people Chairman and CEO: Shoji Namiki President: Yoichi …   Wikipedia

  • nonprobability sample — n a sample of which the sampling units have not been selected in a manner that satisfies the minimum requirements for probability sampling. DISCUSSION No meaningful statistical inference can be made with data obtained from a nonprobability sample …   Coke&Coal Terminology

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