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Confidence Interval
A range of values derived from sample data that is likely to contain the value of an unknown population parameter, with a specified level of confidence.
Population Variance
The measurement of how data points in an entire population are spread out from the mean of the population.
Standard Deviation
The measure of the dispersion or variability in a set of numbers, indicating how spread out the numbers are from the mean.
Variance
Measures the spread between numbers in a dataset, indicating how much the data points differ from the mean.
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