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a statistical average; the sum of all the values divided by the number of values.
numbers that are not real numbers, such as the square roots of negative numbers. Imaginary...
non-terminating, non-recurring fractions. The set of irrational numbers is a subset of the real...
a frequency distribution curve that is skewed either to the left or the right, and is therefore...
a method of displaying a frequency distribution in the form of a table with rows and columns to...