Which of the Following Is Not a Categorical Variable

question 25

Multiple Choice

Which of the following is not a categorical variable?

• A)your age on your last birthday
• B)your cell phone area code
• C)your accounting class start time
• D)your high school graduation year

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Definitions:

Interatrial Septum

The wall of tissue that separates the right and left atria of the heart.

Septum Secundum

Second of two major septal structures involved in the partitioning of the atrium, arising later than the septum primum and located to the right of it; it remains an incomplete partition until after birth, with its unclosed area constituting the foramen ovale.

Foramen Rotundum

An opening in the sphenoid bone of the skull through which the maxillary branch of the trigeminal nerve passes.

Neural Tube

The precursor to the central nervous system in vertebrates, developing into the brain and spinal cord.