A Physiologist Is Tracking Airflow Through an Animal's Body

question 41

Multiple Choice

A physiologist is tracking airflow through an animal's body. The animal inhales once and exhales once. After the animal exhales, the physiologist does not detect any of the initially inhaled air. Which animal is the physiologist likely observing?

• A) a human
• B) a lizard
• C) a turtle
• D) a crow

---

Definitions:

Discrete Quantitative Variable

A variable that represents countable quantities.

Interval of Values

A range of numerical or quantitative values within which a measurement or quantity is said to lie, often used in statistics to describe confidence intervals or ranges of uncertainty.

Categorical Data Set

This type of data set involves values that are grouped into categories rather than being numerically valued.

Bar Chart

A graphical representation of data using bars of varying lengths to show the values of different categories or groups.