👉 A tonogram is a visual representation of a set of data that shows the distribution of values in a continuous space, such as time or space. It is often used to visualize the distribution of data within a dataset and can help identify patterns, outliers, and trends. In simple terms, a tonogram is like a histogram with different colors representing different statistical measures: median, quartiles, and interquartile range (IQR). Each color represents a different measure, such as "median"