Linear regression is a statistical method used to model the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data. It is widely used for prediction and forecasting, as well as understanding the strength and nature of relationships between variables.

Linear Regression

Linear regression

Statistical methods are a collection of mathematical techniques used to analyze and interpret data, helping to make informed decisions based on empirical evidence. They encompass a range of procedures, including data collection, analysis, interpretation, and presentation, enabling researchers to draw valid conclusions and predictions from data samples.

statistical method

A dependent variable is the outcome factor that researchers measure in an experiment or study, which is influenced by changes in the independent variable. It is crucial for determining the effect of the independent variable and understanding causal relationships in research settings.

dependent variable

Independent variables are factors or conditions that are manipulated or categorized to determine their effect on dependent variables in an experiment or study. They are essential for establishing cause-and-effect relationships and are crucial in hypothesis testing and experimental design.

independent variables

A linear equation is a mathematical statement that describes a straight line when graphed on a coordinate plane, typically in the form of y = mx + b where m is the slope and b is the y-intercept. It represents a constant rate of change and is foundational in algebra for modeling relationships with constant proportionality.

linear equation

Observed data refers to information collected through direct measurement or observation of a phenomenon, often used as the foundation for statistical analysis and empirical research. It is crucial for validating hypotheses and building models that reflect real-world conditions and behaviors.

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