The Coefficient of Multiple Determination R² Measures the Proportion of Variation

question 127

True/False

The coefficient of multiple determination r² measures the proportion of variation in Y that is explained by X₁ and X₂.

---

Definitions:

Z-score

A numerical indicator that shows how a value compares to the average of a set of values, expressed as the number of standard deviations away from the mean.

Normally Distributed

A type of continuous probability distribution for a real-valued random variable, characterized by a symmetric bell-shaped curve.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much the individual values deviate from the mean.

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, representing an average distance from the mean.