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Find the quadratic mean of a data set step-by-step
Frequently Asked Questions (FAQ)
What is a quadratic mean?
The quadratic mean, also known as the root mean square (RMS), is a measure of the average magnitude of a set of numbers.
How do you calculate quadratic mean?
To calculate the quadratic mean (root mean square) of a set of numbers, first square each number in the set, then find the arithmetic mean of the squares, and finally take the square root of that mean.
What quadratic mean used for?
The Quadratic mean is commonly used in electrical engineering, physics and other technical fields to measure the average 'size' or 'magnitude' of a set of values, especially when the values are alternating in positive and negative values and some kind of power or energy is associated with the values.