In Order to Test for the Significance of a Regression

question 95

Multiple Choice

In order to test for the significance of a regression model involving 3 independent variables and 47 observations, the numerator and denominator degrees of freedom (respectively) for the critical value of F are

• A) 47 and 3.
• B) 3 and 47.
• C) 2 and 43.
• D) 3 and 43.

---

Definitions:

Seawater

Water from the sea, which is saline in nature due to the presence of dissolved salts, minerals, and other substances.

Muscle Contraction

The process where muscle fibers shorten or tense, producing movement or force, often in response to a nerve impulse.

Sodium Ions

Positively charged ions of sodium, vital for cellular processes, including generating electrical signals in neurons.

Potassium Ions

Essential electrolytes in biological systems that play crucial roles in maintaining cell function, including nerve transmission and muscle contraction.