A set of intervals, usually adjacent and of equal width, into which the range of a statistical distribution is divided, each associated with a frequency indicating the number of measurements in that interval.
The number of individual scores that can vary without changing the sample mean. Statistically written as 'N-1' where N represents the number of subjects.
Probability based on comparing the number of possible favorable outcomes to the number of total possible outcomes
The statistic or number determined by squaring the correlation coefficient. Represents the amount of variance accounted for by that correlation.