In an effort to provide more consistent customer service, the manager of a local fast-food restaurant would like to know the dispersion of customer service times in relation to their average value for the facility's drive-up window. The table below provides summary measures for the customer service times (in minutes) for a sample of 50 customers collected over the past week. 
-Interpret the variance and standard deviation of this sample.
Definitions:
Cerebral Peduncles
Structures located at the base of the brain, containing nerve tracts that connect the cerebrum with the brainstem, cerebellum, and spinal cord.
Optic Chiasma
The Optic Chiasma is the X-shaped structure formed at the point where the optic nerves cross over each other, located at the base of the brain.
Optic Nerves
The pair of cranial nerves transmitting visual information from the retina to the brain.
Posteriorly
Relating to or located toward the back or rear of an organism or structure.
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