WordNet-Online
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint: double-click any word to get it searched!

Google
 

second moment

 

Definitions from WordNet

Noun second moment has 1 sense
  1. second moment - the expected value of the square of the deviations of a random variable from the point of origin
    --1 is a kind of
    moment

Definitions from the Web

Second Moment

Definition:

The second moment refers to the statistical measurement of the dispersion, spread, or variability of a distribution or set of data points around the mean. It is calculated by taking the sum of the squared distances of each data point from the mean.


Sense 1:

Noun

Usage:

In statistics, the second moment is also known as the variance, which quantifies the spread of data points relative to the mean.

Related Products:

Books on Statistics


Sense 2:

Noun

Usage:

In physics, the second moment of mass is used to calculate the moment of inertia, which is a measure of an object's resistance to rotational motion.

Sample Sentence:

"To solve the problem, we needed to calculate the second moment of mass of the rotating object."

Related Products:

Books on Physics


Sense 3:

Noun

Usage:

In financial mathematics, the second moment is used to measure the volatility or risk associated with an asset's returns, often represented by the second moment of return.

Sample Sentence:

"Investors often consider the second moment of return when assessing the risk of a particular investment."

Related Products:

Books on Financial Mathematics

second half second hand second joint second law of motion second law of thermodynamics second lieutenant second marquis of rockingham second messenger second moment second mortgage second nature second opinion second period second person second person language second person narrative second power

Sponsored (shop thru our affiliate link to help maintain this site):

WordNet-Online
Home | Free dictionary software | Copyright notice | Contact us | Network & desktop search | Search My Network | LAN Find | Reminder software | Software downloads | WordNet dictionary | Automotive thesaurus