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the line that best fits the data, calculated according to the least squares method of regression.
a triangle with three equal sides and three equal angles (60º).
the difference between two terms, both of which are perfect squares, such that the factors are...
a block graph or a column graph that has widths in proportion to the variable on the horizontal...
a measure of statistical distribution that represents half the difference between the first and...
the graph of a quadratic function; or a graph with one vertical axis of symmetry and one turning...