regression line

a straight or curved line fitting a set of data points and usually obtained by a least squares regression. A regression line is a graphic representation of the regression equation expressing the hypothesized relationship between an outcome or dependent variable and one or more predictors or independent variables; it summarizes how well the proposed model actually fits the sample data obtained. Data points that do not fall exactly on the line indicate deviations in model fit.

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Psychology term of the day

May 8th 2024

arch of Corti

see rods of Corti.