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Find a direction vector for the line that contains the points and
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Confidence Level
The degree of certainty, usually expressed as a percentage, that a parameter lies within a specified range of values.
Estimation
The process of finding an approximate value of some parameter—such as a mean, variance, or proportion—from a sample data set.
Population Parameters
Numeric characteristics or measures that describe an aspect of a population.
Sample Statistics
Statistics calculated from a subset of the population data, used to estimate population parameters.
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