# Biometry and Statistics

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• 0:01 Biometry
• 0:25 Biological Phenomena
• 0:47 Examples of Biometry in Action
• 2:46 Lesson Summary
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Lesson Transcript
Instructor: Artem Cheprasov
In this lesson, you'll learn the definition of biometry and the fields where it can be applied. Explore specific examples of how it may be applied in many of these fields.

## Biometry

Have you ever wondered how it is that scientists figure out what drug is safe to use for a certain condition versus another drug? Or, have you ever thought about how researchers figure out how different kinds of water pollution impact human health and disease? Well, it's in part thanks to biometry, the application of statistics to biological phenomena.

Let's explore this field together.

## Biological Phenomena

What do I mean by biological phenomena? Well, biometry doesn't just deal with Bio 101 issues. Anything with a biological component can be subject to mathematical and statistical analysis through biometry.

This includes the fields of:

• Agriculture
• Ecology
• Computational biology
• Clinical medicine
• Public health

## Examples of Biometry in Action

Let's go over some more specific examples of where biometry can be applied.

A public health researcher may want to figure out whether or not certain behaviors in a given age group, like smoking and exercise, impact a person's health in the short or long term. They would use statistical analysis of the data they collect in order to figure this out. Perhaps they'll find out that lack of exercise in 20-somethings has little immediate impact in the short term, but can really cause serious problems in 50-somethings.

A clinical researcher might collect and analyze data based on the efficacy vs. toxicity of a novel drug, and then compare that novel drug to an existing drug that's used for the same purpose in order to figure out whether or not the new drug is safer and more effective at the same time. For instance, maybe a new drug has been developed that lowers blood pressure by an additional 50% over an existing drug. It's thanks to statistics and the other forms of mathematics that such numbers can be obtained.

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