Population
A population, in statistics, is a discrete group of people, animals or things that can be identified by at least one common characteristic for the purposes of data collection and analysis.
Sample
A sample is a part of a population selected in such a way as to be representative of the overall population.
population
sample
Parameter
A parameter is a (numerical) description of a population characteristic.
Statistic
A statistic is a (numerical) description of a sample characteristic
Descriptive Statistics
Involves the organization, summarization and display of data.
Inferential Statistics
The science of drawing conclusions about a population based on data collected from a sample.
Probability
A basic tool in the study and application of inferential statistics.