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“Y-hat,” the fitted value of the dependent variable
^0 “Beta zero hat,” the estimated constant term in a regression equation
0 “Beta zero,” the true constant term in a regression equation
^1 “Beta one hat,” an estimated regression coefficient
1 “Beta one,” a true regression coefficient
^2 “Beta two hat,” an estimated regression coefficient
2 “Beta two,” a true regression coefficient
^3 “Beta three hat,” an estimated regression coefficient
3 “Beta three,” a true regression coefficient
^4 “Beta four hat,” an estimated regression coefficient
4 “Beta four,” a true regression coefficient
R2 “R squared,” the coefficient of determinationR2_ “R bar squared,” the R-squared adjusted for degrees of freedomY_ “Y bar,” the mean of the dependent variableX_ “X bar,” the mean of an independent variable X
“Epsilon,” the error term
“Rho,” the correlation coefficient