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points that lie on the same line (so that the gradient is the same at each point).
the amount by which a value changes, expressed as a function of time.
states that if two events are independent, the chance of both events occurring is the product of...
pieces of information such as numbers, letters or symbols gathered during statistical research...
the number of times an event happens out of a total number of trials (also called the relative...
is a trigonometric ratio defined as the adjacent side divided by the hypotenuse.