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the extent of the relationship between the ordering of two random variables.
a small group of people or items selected by researchers from within a larger population
the area on a linear programming graph where all the constraints are met.
a rule applied to variables to make an equation, so that there is only one answer (output value...
points that lie on the same line (so that the gradient is the same at each point).
a bar graph that represents a data set that has been divided into categories or classes.