# Percent error definition

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*2019-11-17 06:09*

What is the definition of percent error? Percent Error: More often than not, when we make an estimation or approximation of a certain quantity, we are off by a little bit from the exact value.This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (December 2009) (Learn how and when to remove this template message) percent error definition

noun. a rate or proportion per hundred. an allowance, commission, or rate of interest calculated by percent. ; a proportion in general: Only a small percentage of the class will graduate with honors.

## Percent error definition free

Dr. Helmenstine holds a Ph. D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels.

Percent yield is the percent ratio of actual yield to the theoretical yield. It is calculated to be the experimental yield divided by theoretical yield multiplied by 100. If the actual and theoretical yield are the same, the percent yield is 100.

A measure of how innaccurate a measurement is, standardized to how large the measurement is.

What is Percent Error? Percent errors tells you how big your errors are when you measure something in an experiment. Smaller percent errors mean that you are close to the accepted or real value.

The smaller your percent error, the better your results are. Usually 5 is acceptable in class. If it is higher, you might need to go back through your experiment to see what systematic or random errors

Percent error, sometimes referred to as percentage error, is an expression of the difference between a measured value and the known or accepted value. It is often used in science to report the difference between experimental values and expected values.

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