An outlier is a data point that differs significantly from other observations in a dataset. It can indicate variability, errors, or unusual conditions.
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A graphical representation of data that shows the distribution's minimum, first quartile, median, third quartile, and maximum. Outliers are displayed as individual points.
A measure of the amount of variation or dispersion in a set of values. High standard deviation indicates more spread-out data; low indicates clustered data.