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Confidence Interval
A cadre of values, from the statistical evaluation of samples, that is designed to encircle the value of an undetermined parameter within a population.
Level of Confidence
The degree of certainty, often expressed as a percentage, that a parameter lies within a specified range of values.
Hypothesis Testing
A statistical method used to determine if there is enough evidence in a sample of data to infer that a certain condition is true for the entire population.
Interval Estimation
Estimation of a population parameter with a range, or interval, of values within which one has a certain degree of confidence the population parameter falls.
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