Stats Ptr

Data

Facts, observations, measurements, or information collected for analysis.

Statistics

A branch of mathematics that deals with the theory and method of collecting, organizing, presenting, analyzing, and interpreting data.

Descriptive Statistics

Uses data to provide descriptions of a population through numerical calculations, graphs, or tables.

Inferential Statistics

Makes inferences and predictions about a population based on sample data.

Applied Statistics

The application of statistical methods to solve problems across various fields.

Variable

A characteristic, attribute, or quantity that can take different values.

Data Collection

The process of gathering information for a study or investigation.

Data Presentation

The process of displaying data through tables, charts, graphs, or reports.

Data Visualization

The graphical representation of data using charts, graphs, and other visual tools.

Qualitative Data

Data that are categorical in nature and attributed to characteristics or classifications.

Quantitative Data

Data that are numerical in nature and can be counted or measured.

Discrete Data

Quantitative data consisting of separate, distinct, and countable values.

Continuous Data

Quantitative data that can take any value within a given range.

Scale of Measurement

A system used to classify and describe data according to their properties.

Nominal Scale

A scale of measurement that classifies data into categories without any order or ranking.

Ordinal Scale

A scale of measurement that classifies data into categories with a meaningful order or ranking.

Interval Scale

A scale of measurement where equal differences between values are meaningful but there is no true zero.

Ratio Scale

A scale of measurement where equal differences between values are meaningful and a true zero exists.

Population

Refers to a large collection of objects, places, or things.

Parameter

Any numerical value which describes a population.

Sample

A small portion or part of a population; a representative of the population in a research study.

Statistic

Any numerical value which describes a sample.