Follow eufisica

Follow eufisica

Friday, February 10, 2012

Sigma explained

Credit: CERN

Do you know what it means the "sigma" that appears in data analysis?
The unit of measurement usually given when talking about statistical significance is the standard deviation, sigma (σ). The term refers to the amount of variability in a given set of data: whether the data points are all clustered together, or very spread out.
from PhysOrg (click to read entire article)
Post a Comment

Featured Post

IBSE about Light Pollution

Here is my presentation that happened in the Discover the Cosmos Conference (Volos, Greece - 2013). The presentation was an Inquiry Base...

Twitter Updates

<- widget2 ->

Popular Posts