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. average, mean, median, norm mean something that represents a middle point. average is the quotient obtained by dividing the sum total of a set of figures by the number of figures. mean may be the simple average or it may represent value midway between two extremes. 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. For example, per capita income is the arithmetic average of the income of a nation 's population. While the arithmetic mean is often used to report central tendencies, it is not a robust statistic: it is greatly influenced by outliers (values much larger or smaller than most others). In the context of mathematics and statistics, the word average refers to what’s more formally called the mean, which is the sum of a set of values divided by the number of values. AVERAGE definition: 1. the result you get by adding two or more amounts together and dividing the total by the number…. Learn more. As you enter your numbers, the calculator will automatically compute the average for you. The mean average is displayed as the sum of all the values you've entered, divided by the total number of values. There's no need to press a calculate button; the average updates instantly after every entry. Averages are used to represent a large set of numbers with a single number. It is a representation of all the numbers available in the data set. The average is calculated by adding all the data values and dividing it by the number of the data point. a number that is calculated by adding quantities together and then dividing the total by the number of quantities; a level that is typical of a group, class, or series : a middle point between extremes; batting average… See the full definition Calculate the average of a set of numbers. Mean calculator finds the mean by adding all numbers and dividing by the count. Free online statistics calculators.