If a Categorical Variable Has K Levels, the Number of Dummy

question 65

Multiple Choice

If a categorical variable has k levels, the number of dummy variables required is​

• A) ​k - 1.
• B) ​k.
• C) ​k + 1.
• D) ​2k.

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Definitions:

Workday

The number of hours or the specific period during which an employee is expected to be at their job performing their duties.

Unions

Organizations formed by workers in various industries to collectively bargain for better wages, working conditions, and benefits.

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The lowest remuneration that employers can legally pay their workers; the rate may vary by jurisdiction.

Henry David Thoreau

An American essayist, poet, and philosopher known for his works on naturalism and civil disobedience.