The following questions refer to the figure below of a CTA of intracranial and extracranial arteries. 
-Which arrow points to the common carotid artery?
Definitions:
Ease Of Learning
A measure of how quickly a person can understand and effectively use a new concept or device.
SAS Proficiency
The level of skill or expertise in using the SAS statistical software for data analysis.
Ease Of Learning
The degree to which a new skill or body of knowledge can be acquired by a learner with ease, often influenced by the complexity of the subject matter and the learner's background.
Column Proportion
The ratio of the frequency of each category to the total number of observations in the column, often used in categorical data analysis.
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