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.

---

Definitions:

Object Permanence

The understanding that objects continue to exist even when they cannot be seen, heard, or otherwise sensed.

Cognitive Development

The study of how thinking, problem solving, and intelligence evolve as individuals grow from infancy through adulthood.

Volume

A measurement of the amount of space occupied by a three-dimensional object or substance.

Concrete Operational

A stage in Piaget's theory of cognitive development where children aged about 7 to 11 years can perform various mental operations using concrete objects.