![]() You can do this by adjusting the values before averaging, or by using a specialized approach for the mean of circular quantities. In these situations, you must decide which mean is most useful. Consider a color wheel-there is no mean to the set of all colors. For example, the times an hour before and after midnight are equidistant to both midnight and noon. In all these situations, there will not be a unique mean. Mean of angles and cyclical quantities Īngles, times of day, and other cyclical quantities require modular arithmetic to add and otherwise combine numbers. But the mean may be finite even if the function itself tends to infinity at some points. In this case, care must be taken to make sure that the integral converges. The arithmetic mean of a set of numbers x 1, x 2. There are several kinds of mean in mathematics, especially in statistics.įor a data set, the arithmetic mean, also known as arithmetic average, is a central value of a finite set of numbers: specifically, the sum of the values divided by the number of values. Please consider expanding the lead to provide an accessible overview of all important aspects of the article. This article's lead section may be too short to adequately summarize the key points.
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