The Sample Variance $S ^ { 2 }$ Is an Unbiased Estimator of the Population Variance

question 42

Essay

The sample variance $S ^ { 2 }$ is an unbiased estimator of the population variance $\sigma ^ { 2 }$ that is, __________ = __________.

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Definitions:

Flat World

The idea that globalisation has led to a level playing field in terms of commerce, enabling all countries to compete equally.

Thomas Friedman

An American journalist, author, and three-time Pulitzer Prize winner known for his writings on globalization and technology.

Global Integration

The process of designing and implementing strategies to operate seamlessly across national borders, often involving the coordination of production, marketing, and R&D worldwide.

Globalization Of Production

The dispersal of production processes across different countries and regions, seeking to optimize costs, quality, and efficiency.