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The statistic s2 is an unbiased and consistent estimator of σ2.
Unbiased Estimator
A statistic that accurately estimates the true parameter of a population, meaning its expected value equals the parameter being estimated.
Consistent Estimator
An attribute of an estimator indicating that, as the sample size increases, it converges in probability to the true parameter it estimates.
σ
Denotes the standard deviation in statistics, a measure of the dispersion or variability of a set of values.
- Discern the proper instances for the application of certain statistical evaluations and distributions.
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Learning Objectives
- Discern the proper instances for the application of certain statistical evaluations and distributions.
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