Wednesday, 30 December 2020, 6:39 AM
Site: europa virtuelle Volkshochschule
Course: Statistik Wörterbuch (Statistik Wort)
Glossary: Dictionary
D

disjoint sets

Also: disjoint sets. Two sets are disjoint when they have no element in common.

[Deutsch]

Dispersion

Also: Variability. The extent to which a distribution is spread.

[Deutsch]

E

expectation value

Also: expected value. Of a discrete random variable: the probability-weighted average of all possible values. Of a continuous random variable: the integral of the random variable with respect to ist probability measure.

[Deutsch]

I

identically distributed random variable

Also: uniformly distributed variable. All outcomes of a random experiment are equally likel.

[Deutsch]

independent variable

A change in the independent variable causes a change in the dependent variable.

[Deutsch]

inferential statistics

Uses a random sample taken from a population to make inferences about the population.

[Deutsch]

P

pairwise disjoint

Any two sets are two disjoint

[Deutsch]

power set (of S)

contains all the subsets of S

[Deutsch]

probability

A numerical description of how likely an event is to occur. The value range is between 0 and 1.

[Deutsch]

probability distribution

A statistical function that describes all the possible values that a random variable can take.

[Deutsch]