In a Regression Model Involving 30 Observations, the Following Estimated $= 60 + 2.8 x _ { 1 } + 1.2 x _ { 2 } - x _ { 3 }$

question 68

Multiple Choice

In a regression model involving 30 observations, the following estimated regression model was obtained: $= 60 + 2.8 x _ { 1 } + 1.2 x _ { 2 } - x _ { 3 }$ . For this model, total variation in y = SSY = 800 and SSE = 200. The value of the F-statistic for testing the validity of this model is:

• A) 26.00.
• B) 7.69.
• C) 3.38.
• D) 0.039.

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Definitions:

Realistic

Pertaining to the inclination to represent things as they actually are, without idealization or distortion.

Social

Relating to society or its organization, or the need for companionship or relationships with others.

Conventional

Adhering to accepted standards and practices; typical or traditional in nature.

Human Factors Psychologist

A psychologist specializing in how people interact with products, systems, and environments, focusing on optimizing performance and safety.