Categorical Variables. Categorical Variables. Independent X – variables that take on only a limited number of values are termed categorical variables, dummy variables, or indicator variables.
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Salary = a + b * Executive
Average Salary for non-Executive:
Average Salary for Executive:
Salary = a + b * Gender
Average Salary for 0-Gender:
Average Salary for 1-Gender:
Salary = a + b * Education
Average Salary for 0 Education:
Additional Value per year: