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Determine whether the relation is also a function.
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Independent Sample
Refers to two or more groups of samples that are selected from populations that do not have any kind of relationship.
Life Expectancy
An estimate of the average number of years an individual or organism can expect to live, given current mortality conditions.
Confidence Interval
A series of values, obtained from sampled data, expected to encompass the value of an unobserved population statistic.
Population Distributions
The distribution of values, states, or categories that represent the characteristics of a population from which samples might be drawn.
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