Moments
For a set of N numbers comprised of X1, X2, ..., XN, the kth moment (also known as kth moment about zero) is defined as:
Note: The first moment (i.e., n = 1) equals the arithmetic mean.
Example:
Find the first, second, and third moments for the set of numbers 1, 2, 6, and 7.
Solution:
Related Topics:
- Moments About the Mean