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