Definition Of Root Mean Square

Root Mean Square of a set of number is square root of the mean of the squares of the number, i.e. if a₁, a₂...........a_n.are the sets of the number, then its root mean square is given as 

More about Root Mean Square

Root mean square is abbreviated as RMS or rms.
It is also known as the quadratic mean of the numbers
The root mean square (RMS or rms) is generally used in physics and electrical engineering

Video Examples: Root Mean Square Example

Example of Root Mean Square

The RMS value of a set of numbers 3, 5, and 7 is  = 9.11.

Solved Example on Root Mean Square

Ques: Find the RMS of the numbers 2, 3, 5, 7, and 6.

Choices:

A. 4.96
B. 5.26
C. 1.32
D. 24.6
Correct Answer: A

Solution:

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