Which of the Following Is Not a Property of Variance

question 20

Multiple Choice

Which of the following is not a property of variance?

• A) The value of the variance is zero only when all of the data values are the same number.
• B) The units of variance are the squares of the units of the original data.
• C) The value of the variance is always positive or 0.
• D) The sample variance is a biased estimator of the population variance.

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Definitions:

Coniferous Forests

Forest ecosystems dominated by cone-bearing trees, such as pines, spruces, and firs, which are mostly evergreen and adapted to cooler climates.

Alkaline Soils

Soils with a pH level higher than 7, often rich in sodium, calcium, and magnesium, and found in arid and semi-arid regions.

Deciduous Forests

Forests characterized by trees that lose their leaves seasonally.

Soil Moisture

The amount of water contained within soil particles, crucial for plant growth and the hydrologic cycle.