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a line perpendicular to the tangent of a curve at a specific point.
a graph with the cumulative frequency plotted on the vertical axis against the range of data...
a statistical average; the sum of all the values divided by the number of values.
an expression that is written as a product of its common factors.
the highest or lowest point on a parabola, depending on whether the graph is ∩-shaped or ∪-...
the notation (standardised set of rules and symbols) that allows us to describe numbers in terms...