The Number of Degrees of Freedom for a Contingency Table

question 60

Multiple Choice

The number of degrees of freedom for a contingency table with r rows and c columns is:

• A) r + c
• B) rc
• C) (r - 1)(c - 1)
• D) None of these choices.

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Definitions:

Shift

A change in position, direction, or tendency, often referring to a movement or transfer from one point to another.

Biological Rhythms

Refers to the natural cycles of change in bodily functions and behaviors, such as sleep-wake cycles and hormonal fluctuations, that operate on daily or seasonal timescales.

Wakefulness

The state of being conscious and aware of one's environment, as opposed to being asleep.

Brain

The organ in vertebrates, housed within the skull, responsible for the central nervous system's functions, including thought, memory, emotion, touch, motor skills, vision, breathing, temperature, hunger, and every process that regulates our body.