Which of the Following Statements Is/are True About a Multivariate

question 16

Multiple Choice

Which of the following statements is/are true about a multivariate statistical analyses in which variable A has a .20 correlation with variable C,and variable B has a .20 correlation with variable C?

• A)Variables A and B together must accounor 40 percent of the variation in variable C.
• B) Variables A and B together must accounor 4 percent of the variation in variable C.
• C) If variables A and B are correlated with each other, then variables A and B together will accounor less than 40 percent of the variation in variable C.
• D) If variables A and B are correlated with each other, then variables A and B together will accounor more than 40 percent of the variation in variable C.

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Definitions:

Aquatic Ecosystems

Water-based environments—including oceans, lakes, rivers, and wetlands—that support a diverse range of life through complex interrelationships.

Mosses

Small, non-vascular plants that typically form dense green clumps or mats, often in damp or shady locations.

Lichens

Symbiotic associations between a fungus and a photosynthetic partner, usually an algae or cyanobacteria, which live together as a single, unique organism.

Sedges

A family of grass-like plants, often found in wet grounds, distinguished by their edges (edges, sedges) and triangular stems.