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Mean, median, mode
Mean = average, cannot be used to describe nominal data. Symbols used to describe are x or M.
Median = The midpoint of the data, the point where half the values are above and half are below. Numbers are first placed in ascending order (array). Can be used to describe ratio, interval, or ordinal data.
Mode = The value that occurs most often in the distribution. Could be multi-modal.
What are Measures of central tendency?