The varjanice of the siope estimator \CAhat(B)_1 V Select ong a. increases as the error variance decreases and increases when pere is more sampling variation in the independent variable, O.b. increases as the error variance increases and decreases when there is more sampling variation in the independent variable. Oe. decreases as the error variance decreases and increases wen there is mor sampline variation in the independent variabl Od. decreases as the error varianc increases and decreases when there is mor samplin variation in the independent variabl
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