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The deviations show how spread out the data are about the mean. A positive deviation occurs when the data value exceeds the mean, whereas a negative deviation occurs when the data value is less than the mean. If the deviations are added, the sum is always zero. So one cannot simply add the deviations to get the data spread. By squaring the deviations, the numbers are made positive; thus, their sum will also be positive.The standard deviation measures the spread in the same units as the data.

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Related Experiment Video

Updated: May 23, 2026

New Features in Visual Dynamics 3.0

New Features in Visual Dynamics 3.0

Published on: August 9, 2024

Erratum, Vol. 17, December 3 Release

Preventing Chronic Disease

|May 22, 2026

Summary

This summary is machine-generated.

This study corrects a previously published article's DOI. The correction ensures accurate citation and retrieval of the scientific work for researchers.

Related Experiment Videos

Last Updated: May 23, 2026

New Features in Visual Dynamics 3.0

New Features in Visual Dynamics 3.0

Published on: August 9, 2024

Area of Science:

Bibliometrics
Scholarly Communication

Background:

Accurate citation is crucial for scientific integrity.
Digital Object Identifiers (DOIs) are essential for locating research.

Purpose of the Study:

To correct a typographical error in a previously published article's DOI.
To ensure proper attribution and accessibility of the research.

Main Methods:

A formal correction notice was issued.
The correct DOI was identified and verified.

Main Results:

The incorrect DOI has been rectified.
The article is now accurately identifiable via its correct DOI.

Conclusions:

This correction facilitates correct referencing and access to the study.
Ensuring DOI accuracy upholds the reliability of scientific literature.