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 the Standard Deviation Can Be Used?

What Is an Example of How the Standard Deviation Can Be Used?

You are probably not surprised to learn that in most cases, before a medication or drug can be made widely available, it undergoes extensive testing. As a company decides how to allocate resources to a drug’s development, it considers many factors such as the complexity of the drug, the need for it, development costs, and competition. One factor is how global the drug’s development efforts should be: Can the drug be tested on one regional or national group and those results be generalized to others? This is a big and important question.

When multicountry clinical trials are involved, it is vital to understand the characteristics of each country and the variability of the ...

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