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

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Thhe varjarice of the slope estimator \CAhat{B)_1 )
Select one
a.
increases as the error variance decreases and increases
when pere is more sampling variation in the independent
variable.
eb.
increases as the error variance increases and decreases
when there is more sampling variation in the independent
variable
OC. decreases as the error variance decreases and increases
wien there is mor samplin variation in the independent
variabl
Od.
decreases es the error variane increases and decreases
w en ther is more samplih variation in the independent
variabl
Transcribed Image Text:Thhe varjarice of the slope estimator \CAhat{B)_1 ) Select one a. increases as the error variance decreases and increases when pere is more sampling variation in the independent variable. eb. increases as the error variance increases and decreases when there is more sampling variation in the independent variable OC. decreases as the error variance decreases and increases wien there is mor samplin variation in the independent variabl Od. decreases es the error variane increases and decreases w en ther is more samplih variation in the independent variabl
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