If Sample Variance Is Computed by Dividing SS by Df

question 64

Multiple Choice

If sample variance is computed by dividing SS by df = n - 1,then the average value of the sample variances from all possible random samples will be _______ the population variance.

• A)smaller than
• B)larger than
• C)approximately equal to
• D)unrelated to

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Definitions:

Mushrooms

Fungi that produce a distinctive fruiting body, often edible and used in cooking, but some species are poisonous or have medicinal properties.

Producer

Autotroph. Organism that makes its own food using energy and nonbiological raw materials from the environment.

Detritivore

Animal that feeds on small bits of organic material.

Trophic Category

A classification describing the feeding position and role of an organism in an ecosystem's food chain or web.