Learn how to calculate the mean , median and mode of a data set using different formulas and examples. Find out the relationship between these three measures of central tendency and how to apply them in statistics. Read More about Mean, Median and Mode of Grouped Data. Median A Median is a middle value for sorted data. The sorting of the data can be done either in ascending order or descending order. A median divides the data into two halves. The formula to calculate the median of the number of terms if the number of terms is even is shown in the image below: Median Formula for Even Terms The formula to calculate the median of the number of terms if the number of terms is odd is shown in the image ... 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. Arithmetic Mean is one of the fundamental formulas used in mathematics and it is highly used in various solving various types of problems. Arithmetic mean is used in various scenarios such as in finding the average marks obtained by the student , the average rainfall in any area ... Mean , median, and mode are the measures of central tendency. Learn the formulas to find the mean , median and mode for each of the grouped data and ungrouped data along with solved examples.