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Business, 13.08.2020 03:01 lilwolves1013osqd2o

Suppose you are interested in looking at the determinants of a professional's salary, and use the following econometric model to do so: salary = β0 + 81 GPA + 82 ezper + β3 gender + β4 major + u
where
salary = salary in dollars
GPA = grade point average throughout college
exper = years of work experience gender
major = college major
u = error term
You take a sample of 110 individuals and collect data on each person's salary, college GPA, years of experience, gender, and college major. An unbiased, observable estimator of the variance of the error term (σ2) is σ2 =.

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