Skip to content
Q152Section III (Statistics)152 of 180

Covariance of yy and y^\hat y under least squares

In a multiple linear regression model y=Xβ+εy=X\beta+\varepsilon, the covariance between yy and y^\hat y, the predicted value of yy using least square estimator of β\beta, is:

Options

Pick an option to check your answer.