Confidence intervals provide information about the unknown values of the true regression coefficients,accounting for sampling error.

Confidence Intervals

Ranges within which a population parameter is estimated to lie with a certain level of confidence, often used to indicate the reliability of an estimate.

Regression Coefficients

Parameters in a regression model that quantify the relationship between the dependent variable and each of the independent variables.

Sampling Error

The discrepancy between the statistical characteristics of a sample and those of the entire population, arising purely from the randomness of the sample selection.