http://www.ck12.org Chapter 1. An Introduction to Analyzing Statistical Data
Discrete Variable
A numerical variable that only exhibits a finite set of values at given intervals.Continuous Variable
A numerical variable that can be any of an infinite range of values.Sample
A smaller, representative subset of the population.Parameter
A statistical measure or number that summarizes the entire population.Statistic
A measure or number that summarizes the individuals in a sample.Sampling Error
The inaccuracy that results from estimating using a sample, rather than the entire population.