The Multiple Regression Model in Matrix Form Y = Xβ

question 3

Multiple Choice

The multiple regression model in matrix form Y = Xβ + U can also be written as

• A)Yi = β0 + X β + ui,i = 1,…,n.
• B)Yi = X βi,i = 1,…,n.
• C)Yi = βX + ui,i = 1,…,n.
• D)Yi = X β + ui,i = 1,…,n.

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Definitions:

Observations

The action or process of closely monitoring or noticing something or someone, often to gather data or come to a conclusion.

Hypotheses

Proposed explanations for a phenomenon, put forward as bases for further investigation, validation, or refutation.

Amenable

Willing to follow advice or authority; open and responsive to suggestion.

Scientific Test

A methodically organized procedure in science aimed at discovering, demonstrating, or testing a hypothesis or theory.