Frequency Polygons

question 11

Multiple Choice

Frequency polygons:

• A)Use bars, just like bar graphs.
• B)Typically involve interval- or ratio-level variables.
• C)Typically involve nominal-level variables.
• D)Never can be used with values that are collapsed into grouped categories.

---

Definitions:

Overweight

Having more body fat than is optimally healthy, typically measured by a body mass index (BMI) over 25.

Obese

A medical condition characterized by excessive body fat that presents a risk to health.

Teenagers

Individuals in the age group of 13 to 19 years, characterized by rapid physical, emotional, and cognitive changes.

Leptin

is a hormone produced by fat cells that helps to regulate energy balance by inhibiting hunger, thereby influencing body weight and appetite.