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.
Estimation of an unknown quantity between two known quantities historical data, or drawing conclusions about missing information from the available information.
A group of statistics used to determine if a significance difference exists between the means of two sets of data.
The random assignment of units to treatments is carried out separately within each block