survey - one method of collecting data in which people are asked one or more questions, data - categories, numbers, or observations gathered in response to a statistical question, population - an entire set of items from which data are collected, census - data collected from every member of a population, sample - a selection from a population, parameter - when data are gathered from a population, the characteristics used to describe the population , statistic - When data are gathered from a sample, the characteristics used to describe the sample, random sample - a sample that is selected from the population in such a way that every member of the population has the same chances of being selected, unbiased, nonrandom sample - a sample that is unfair or does not represent the population fairly, biased, convenience sample - a sample of the most available subjects in the population used to obtain quick results., voluntary response sample - a sample made up of volunteers., biased sample - if individuals or groups from the population are not represented in the sample, nonrandom, unbiased sample - if every individual or the element in the population has an equal chance of being selected, random, representative sample - a group or set chosen from a larger statistical population or group of factors or instances that adequately replicates the larger group according to whatever characteristic or quality is under study,

Statistics and Samples

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النمط البصري

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