If Sample Variance Is Computed by Dividing SS by Df

question 18

Multiple Choice

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

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

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Definitions:

Gastric Glands

Glands in the wall of the stomach; contain cells that secrete hydrochloric acid, intrinsic factor, and pepsinogen, the precursor of the enzyme pepsin.

Parietal Cells

Cells in the lining of the stomach that produce hydrochloric acid and intrinsic factor, crucial for digestion and B12 absorption.

Goblet Cells

Goblet cells are specialized epithelial cells found in the respiratory and digestive tracts, secreting mucus to lubricate and protect the mucous membranes.

Tube-Within-a-Tube

A body plan characteristic of many animals, where the inner tube represents the digestive tract and the outer tube the body wall, with a cavity in between.