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University Of Memphis Operations And Supply Chain Management Assignment Help - the ordinary


Question - Which of the following statements about the ordinary least squares regression model ( or simple
regression model) with one independent variable are correct?
i. In the ordinary least squares (OLS) model. The random error term is assumed to have zero mean
and constant variance.
ii. In the OLS model. It is assumed that the correlation between the dependent variable and the
random error term is zero.
iii. In the OLS model. the variance of the dependent variable is assumed to be constant.
a. i.ii.iii. and iv
b. ii and iv only
c. i and iv only
d. i.ii.and iii only

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