Statistics law stating that a large number of items taken at random from a population will on the average have the population statistics
Samples in which informants provide contact information about other people who share some of the characteristics necessary for a study
A table in which data values are divided into either a "leaf" or a "stem." In a stem and leaf plot, the stem values appear on the vertical axis and the leaf values are listed on the horizontal axis.
Systematically recorded information, whether numbers or labels, together with its context