Variation refers to how much individual data points differ from each other or from an expected value. It measures the spread or dispersion of data within a dataset.
Related terms
Range: The difference between the maximum and minimum values in a dataset.
Standard Deviation: A measure of how spread out the values are around their mean in a dataset.
Interquartile Range (IQR): The range between the first quartile (25th percentile) and third quartile (75th percentile) in a dataset; it provides information about variability while being less influenced by extreme values than range.