When the errors in a linear regression show signs of positive autocorrelation, which of the statements below is true?
The regression coefficient will be too high and the standard error of the regression coefficient will be understated
The regression coefficient will be too low and the standard error of the regression coefficient will be overstated
The regression coefficient will be unbiased, but the standard error of the regression coefficient will be understated
The regression coefficient will be unbiased, but the standard error of the regression coefficient will be overstated
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