Arithmetic mean:

Arithmetic Mean, commonly known as the average , is a fundamental measure of central tendency in statistics. It is defined as the ratio of all the values or observations to the total number of values or observations. In mathematics and statistics, the arithmetic mean ( / ˌærɪθˈmɛtɪk / ⓘ arr-ith-MET-ik), arithmetic average, or just the mean or average is the sum of a collection of numbers divided by the count of numbers in the collection. [1] In Mathematics and Statistics, the Arithmetic Mean (AM) or Mean or Average is defined as the sum of all observations in the given data set divided by the total number of observations in the dataset. Learn how to find range and arithmetic mean with formulas, solved examples, and key differences. Understand arithmetic mean between two numbers and apply it easily.