Median
The median is a statistical measure of central tendency that represents the middle value in a sorted dataset, dividing it into two equal halves. It is calculated by arranging all values in ascending order and selecting the middle one (or the average of the two middle values for an even-sized dataset). Unlike the mean, the median is robust to outliers, making it useful for skewed distributions.
Developers should learn about the median when analyzing data with outliers or skewed distributions, such as in data science, machine learning, or performance benchmarking. It is essential for tasks like calculating median income in economic datasets, median response times in web applications, or median scores in educational analytics, where extreme values could distort the mean.