Confidence level

In survey research: the degree of accuracy which experience indicates can be assumed on the basis of a sample of a certain size for a population of a certain size;

Correlations: very generally – an estimation of the degree to which the data analyzed provides good evidence for the existence of a correlation between variables studied in the target population, often computed at the standard 95% level.

(see also: statistic, statistical significance, statistical evidence, statistical analysis, Sample size error, sample bias, Margin of error)

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