quadratic mean

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quadratic mean

mathematics

Also known as: root mean square

Learn about this topic in these articles:

definition

In mean
The number 4 is the quadratic mean (or root mean square) of the numbers 1, 1, 2, 5, and 7 and differs from their arithmetic mean, which is 3 1/5. In general, the quadratic mean of n numbers x₁, x₂, …, x_n is the square root of the…
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