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Averages help turn a long list of numbers into a single summary value. While most people think of the 'mean' when they say average, statisticians also use the 'median' and 'mode' to get a more accurate picture of the data.
The most common average, where you add everything up and divide by how many items there are.
If there's an even number of values, the median is the average of the two middle numbers. Useful for skewed data (like salaries).
A data set can have one mode, multiple modes (multimodal), or no mode at all if no numbers repeat.
Shows the total spread between the smallest and largest values in your set.
Specially picked tools to help you plan better.