If You Had a Two Regressor Regression Model, Then Omitting

question 48

Multiple Choice

If you had a two regressor regression model, then omitting one variable which is relevant

• A)will have no effect on the coefficient of the included variable if the correlation between the excluded and the included variable is negative.
• B)will always bias the coefficient of the included variable upwards.
• C)can result in a negative value for the coefficient of the included variable, even though the coefficient will have a significant positive effect on Y if the omitted
• Variable were included.
• D)makes the sum of the product between the included variable and the residuals different from 0.

Describe how certain marine animals feed and relate this to their ecological roles.

Recognize adaptations of marine animals to their environments.

Discuss the modes of reproduction in different marine species.

Differentiate between various sensory mechanisms in marine animals.

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Definitions:

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