1. A statistical method that models the linear relationship between a dependent variable and one or more independent variables using a straight line equation
The researcher used a linear regression model to predict house prices based on square footage.
O pesquisador usou um modelo de regressão linear para prever preços de casas com base na metragem quadrada.
2. A mathematical representation expressed as y = mx + b, where y is the dependent variable, x is the independent variable, m is the slope, and b is the y-intercept
In a simple linear regression model, there is only one independent variable affecting the outcome.
Em um modelo de regressão linear simples, há apenas uma variável independente afetando o resultado.