The Sample Variance S² Is an Unbiased Estimator of the Population

question 64

Multiple Choice

The sample variance s² is an unbiased estimator of the population variance σ² when the denominator of s² is

• A)n + 1
• B)n
• C)n − 1

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Definitions:

Lesser Antilles

A group of islands in the Caribbean Sea, forming part of the boundary between the Caribbean Sea and the Atlantic Ocean, located on the eastern edge of the Caribbean plate.

Transform Faults

Boundaries between tectonic plates where the motion is predominantly horizontal, leading to earthquakes but not creating volcanoes.

Gulf of Mexico

A large ocean basin near the southeastern coast of North America, bounded by the United States, Mexico, and Cuba, known for its rich biodiversity and significant oil reserves.

Narrow Ocean

A relatively thin and elongated body of oceanic water situated between more substantial land masses.