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if data has been arranged in classes, then the median class is the middle class after the classes have been arranged in order.
the ratio of vertical replacement to the horizontal replacement of a straight line; or the slope...
a periodic function is one that repeats after a given interval. The period is therefore the...
a summary of a data set that includes the minimum and maximum values, and the first, second and...
(between two points on a curve) the inclination of a straight line through two points on a curve...
involving an equal likelihood that each outcome may occur.