The R² (I

question 21

True/False

The R² (i.e., R-squared) is a measure of the goodness-of-fit in least-squares regression.

---

Definitions:

Growth Spurt

A rapid period of physical growth during childhood or adolescence.

Overweight Children

Refers to children having excess body weight for their age and height, which can lead to health issues.

Contact Lenses

Thin lenses placed directly on the surface of the eyes to correct vision problems.

Myopia

A common visual condition also known as nearsightedness, where distant objects appear blurry while close objects can be seen clearly.