Mathematics, 21.12.2019 04:31 aubreymoore9441
Asurvey was conducted by a research team to investigate how the education level and years of experience are related to the annual income.
based on the survey’s definition, education level is a categorical variable with five possible levels:
high school
college
some college
university
and "graduate
1. how many dummy variables the analyst should add to the regression model in order to capture "education level" as an independent variable?
select one:
a) 5
b) 4
c) 3
d) 2
Answers: 1
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