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math.stats-mean-median Calculator
Calculates mean, median, mode, range, and midrange from a dataset, flagging when the mode is multimodal. The mean is sensitive to outliers; the median is robust — understanding which to use is a core data literacy skill.
Inputs
Sum
Reference formula or conversion factor shown for context.
N
Reference formula or conversion factor shown for context.
Min
Reference formula or conversion factor shown for context.
Max
Reference formula or conversion factor shown for context.
Results
mean
Arithmetic average — sum divided by count. Simple and familiar, but pulled by outliers. If your data contains extreme values, the median may be more representative.
range
The difference between the maximum and minimum values.
IQR estimate
IQR (interquartile range) = Q3 minus Q1. The spread of the middle 50% of the data. Robust to outliers.