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a block graph or a column graph that has widths in proportion to the variable on the horizontal axis, and frequencies on the vertical axis.
a test that determines whether or not a given graph represents a function.
representation of a (practical) problem in mathematical language in order to solve the problem...
a part of the quadratic formula that gives us information about the roots or solutions of the...
a consistent change found in data when a trend repeats itself in a regular way.
an increase or decrease in the number of individuals in a given population, usually expressed as...