If X and Y in a Regression Model Are Totally

question 89

Multiple Choice

If x and y in a regression model are totally unrelated, _______.

• A)the correlation coefficient would be -1
• B)the coefficient of determination would be 0
• C)the coefficient of determination would be 1
• D)the SSE would be 0
• E)the MSE would be 0s

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Definitions:

Flowering Plant

Plants belonging to the group Angiosperms, characterized by bearing flowers and producing seeds enclosed within a fruit.

Lignin

A complicated organic molecule found in the cell walls of numerous plants, contributing to their stiff and woody nature.

Cellulose

A complex carbohydrate that forms the primary structural component of plant cell walls and is indigestible to humans.

Xylem

The plant's vascular system responsible for transporting water and dissolved nutrients from the roots throughout the rest of the plant.