The Number of Dummy Variables Must Equal 1 Less Than

question 63

True/False

The number of dummy variables must equal 1 less than the number of categories of the qualitative variable.

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Definitions:

Promotion

Activities designed to increase the visibility, sales, or acceptance of a product or service.

Creative Work

Original content or ideas produced through imaginative skill, which can be in the form of art, literature, music, etc.

Contractual Agreement

A legally binding arrangement between two or more parties, typically documented in a formal contract, which outlines the terms and conditions of their relationship or deal.

In-House Agency

Consists of the company’s own advertising staff, who may provide full services or a limited range of services.