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22 relations: Business, Clinical trial, Convenience sampling, Country, Data, Descriptive statistics, Human subject research, Independent and identically distributed random variables, Laboratory specimen, Mathematical model, Opinion poll, Oscar Kempthorne, Pseudoreplication, Random variable, Statistical assembly, Statistical model, Statistical population, Survey sampling, Unit of analysis, Unit of measurement, Unit of observation, William Gemmell Cochran.
Business
Business is the activity of making one's living or making money by producing or buying and selling products (goods and services).
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Clinical trial
Clinical trials are experiments or observations done in clinical research.
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Convenience sampling
Convenience sampling (also known as grab sampling, accidental sampling, or opportunity sampling) is a type of non-probability sampling that involves the sample being drawn from that part of the population that is close to hand.
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Country
A country is a region that is identified as a distinct national entity in political geography.
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Data
Data is a set of values of qualitative or quantitative variables.
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Descriptive statistics
A descriptive statistic (in the count noun sense) is a summary statistic that quantitatively describes or summarizes features of a collection of information, while descriptive statistics in the mass noun sense is the process of using and analyzing those statistics.
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Human subject research
Human subject research is systematic, scientific investigation that can be either interventional (a "trial") or observational (no "test article") and involves human beings as research subjects.
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Independent and identically distributed random variables
In probability theory and statistics, a sequence or other collection of random variables is independent and identically distributed (i.i.d. or iid or IID) if each random variable has the same probability distribution as the others and all are mutually independent.
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Laboratory specimen
In medicine, a laboratory specimen is a biological specimen taken by sampling, that is, gathered matter of a medical patient's tissue, fluid, or other material derived from the patient used for laboratory analysis to assist differential diagnosis or staging of a disease process.
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Mathematical model
A mathematical model is a description of a system using mathematical concepts and language.
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Opinion poll
An opinion poll, often simply referred to as a poll or a survey, is a human research survey of public opinion from a particular sample.
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Oscar Kempthorne
Oscar Kempthorne (January 31, 1919 – November 15, 2000) was a statistician and geneticist known for his research on randomization-analysis and the design of experiments, which had wide influence on research in agriculture, genetics, and other areas of science.
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Pseudoreplication
Pseudoreplication is the process of artificially inflating the number of samples or replicates.
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Random variable
In probability and statistics, a random variable, random quantity, aleatory variable, or stochastic variable is a variable whose possible values are outcomes of a random phenomenon.
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Statistical assembly
In statistics, for example in statistical quality control, a statistical assembly is a collection of parts or components which makes up a statistical unit.
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Statistical model
A statistical model is a mathematical model that embodies a set of statistical assumptions concerning the generation of some sample data and similar data from a larger population.
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Statistical population
In statistics, a population is a set of similar items or events which is of interest for some question or experiment.
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Survey sampling
In statistics, survey sampling describes the process of selecting a sample of elements from a target population to conduct a survey.
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Unit of analysis
The unit of analysis is the major entity that is being analyzed in a study.
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Unit of measurement
A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity.
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Unit of observation
In statistics, a unit of observation is the unit described by the data that one analyzes.
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William Gemmell Cochran
William Gemmell Cochran (15 July 1909 – 29 March 1980) was a prominent statistician.
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References
[1] https://en.wikipedia.org/wiki/Statistical_unit
