The mean is a statistical measure of central tendency that represents the average value of a group of numbers. It is calculated by adding all the numbers in the group and then dividing the total by the number of values in the group.
For example, if you have a set of numbers 4, 8, 10, 12, and 15, the mean is (4+8+10+12+15)/5 = 9.8. This means that the average value of the group of numbers is 9.8. The mean is often used in various fields, such as in business, finance, and science, to summarize data and make comparisons between different sets of data.
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