When a Categorical Variable Has 5 Levels,________ Dummy Variables Need

question 57

Multiple Choice

When a categorical variable has 5 levels,________ dummy variables need to be added to the model.

• A)5
• B)0
• C)4
• D)2

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Definitions:

Increase in Pressure

A condition in which the force exerted by a substance per unit area is augmented, often affecting materials and processes in geology and materials science.

Heat Transfer

The movement of thermal energy from one object or substance to another through conduction, convection, or radiation.

Conduction

The transfer of heat through a material or between materials in direct contact.

Melting of Solid Rock

The process by which solid rock becomes molten (magma), typically due to increased temperature or pressure within the Earth.