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Learn Mean Deviation in statistics with formulas , solved examples, and questions for grouped and ungrouped data. Ideal for JEE and academic exams. Learn how to calculate mean deviation using different statistical averages such as arithmetic mean , median, and mode. Understand the concept with a detailed solved example. One such measure of dispersion is Mean Deviation . What is Mean Deviation ? The arithmetic average of the deviations of various items from a measure of central tendency ( mean , median, or mode) is known as the Mean Deviation of a series. Other names for Mean Deviation are the First Moment of Dispersion and Average Deviation . Mean Deviation , also known as Average Deviation, is a statistical measure that calculates the average distance of data points from the mean or median. It helps assess the variability or dispersion in a data set. Mean deviation questions test your ability to apply formulas , interpret results, and analyze data consistency.
