In an increasingly data-driven world, it is more important than ever for students as well as professionals to better understand basic statistical concepts. 100 Questions (and Answers) About Statistics addresses the essential questions that students ask about statistics in a concise and accessible way. It is perfect for instructors, students, and practitioners as a supplement to more comprehensive materials, or as a desk reference with quick answers to the most frequently asked questions.

What Is an Example of How a Measure of Variability Can Be Used?

What Is an Example of How a Measure of Variability Can Be Used?

Variability as a construct is a fascinating topic because it provides insight into between-individual and within-individual changes that occur in human behavior. This is often referred to as individual differences. When this idea is applied to topics of current interest, such as child obesity, variability can take on even more meaning as an important measure of change.

Child obesity is frequently associated with dysfunction of the nervous system, in particular the autonomic nervous system or the one over which individuals have no control (it controls breathing and heart rate). These scientists studied whether children undergoing puberty (preteens and teens) were vulnerable to autonomic nervous system problems, such as decrease of heart rate ...

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