### What does **quadratic mean** mean?

# Definitions for quadratic mean

qua·drat·ic mean

#### This dictionary definitions page includes all the possible meanings, example usage and translations of the word **quadratic mean**.

### Wiktionary

quadratic meannoun

A type of average, calculated as the square root of the mean of the squares, ie. .

**Etymology:**Quadratic in the phrase refers to the squaring on the terms.

### Wikipedia

quadratic mean

In mathematics and its applications, the root mean square of a set of numbers x i {\displaystyle x_{i}} (abbreviated as RMS, RMS or rms and denoted in formulas as either x R M S {\displaystyle x_{\mathrm {RMS} }} or R M S x {\displaystyle \mathrm {RMS} _{x}} ) is defined as the square root of the mean square (the arithmetic mean of the squares) of the set. The RMS is also known as the quadratic mean (denoted M 2 {\displaystyle M_{2}} ) and is a particular case of the generalized mean. The RMS of a continuously varying function (denoted f R M S {\displaystyle f_{\mathrm {RMS} }} ) can be defined in terms of an integral of the squares of the instantaneous values during a cycle. For alternating electric current, RMS is equal to the value of the constant direct current that would produce the same power dissipation in a resistive load. In estimation theory, the root-mean-square deviation of an estimator is a measure of the imperfection of the fit of the estimator to the data.

### Numerology

Chaldean Numerology

The numerical value of quadratic mean in Chaldean Numerology is:

**2**Pythagorean Numerology

The numerical value of quadratic mean in Pythagorean Numerology is:

**1**

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"quadratic mean." *Definitions.net.* STANDS4 LLC, 2024. Web. 3 Oct. 2024. <https://www.definitions.net/definition/quadratic+mean>.

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