The average of a data set is the sum of its values divided by the number of values — the arithmetic mean. The average can be a value that doesn't appear in the data, and it uses every value, so outliers pull it. This section is an excerpt from Mean of a function. In calculus, and especially multivariable calculus, the mean of a function is loosely defined as the average value of the function over its domain. Free calculator to determine the average, or the arithmetic mean, of a given data set. It also returns the calculation steps, sum, count, and more. Average, which is the arithmetic mean, and is calculated by adding a group of numbers and then dividing by the count of those numbers. For example, the average of 2, 3, 3, 5, 7, and 10 is 30 divided by 6, which is 5. In statistics the mean of a set of numbers is the average value of those numbers. Find the average or mean by adding up all the numbers and dividing by how many numbers are in the set. The meaning of AVERAGE is a single value (such as a mean, mode, or median) that summarizes or represents the general significance of a set of unequal values. How to use average in a sentence. AVERAGE definition: 1. the result you get by adding two or more amounts together and dividing the total by the number…. Learn more. Discover how to calculate the average the right way. This guide explains common methods like mean, median, and mode with simple examples for students and professionals. Calculate the average (mean) with our user-friendly tool. Discover how to find averages or perform quick calculations effortlessly. The most commonly used definition of the average is the arithmetic mean, [4] also known as arithmetic average i.e. the sum divided by the count, so the average of the list of numbers [2, 3, 4, 7, 9] is generally considered to be (2+3+4+7+9)/5 = 25/5 = 5.