Lecture 9: Probability and Frequency Distribution

Vocabulary flashcards based on concepts explored in Lecture 9 focusing on probability and frequency distribution in psychology.

Probability

A measure that quantifies the likelihood of a specific outcome occurring among all possible outcomes.

Population

The entire group from which a sample can be drawn.

Sample

A subset of individuals selected from a larger population.

Inferential Statistics

Statistical methods that allow researchers to infer conclusions about a population based on sample data.

Discrete Data

Data that can take on a countable number of values.

Continuous Variable

A variable that can take on an infinite number of values within a given range.

Frequency Distribution

A summary of how often different values occur in a dataset.

Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution.

Probability Value

A numerical measure of the likelihood of an event, ranging from 0 to 1.

z Score

A statistical measurement that describes a value's relation to the mean of a group of values.