The following frequency table summarizes the ages of 60 shoppers at the local grocery store. 
The sample mean for the above frequency table is calculated as 36.25. Calculate the approximate sample standard deviation for this data set.
Definitions:
Medications
Substances used in diagnosing, treating, or preventing disease and as part of therapy.
Financial Status
The current state of one’s monetary resources, assets, liabilities, and overall economic position.
Erikson's Theory
A theoretical framework proposed by Erik Erikson that outlines eight stages of psychosocial development throughout the lifespan, from infancy to late adulthood.
Psychosocial Needs
The aspects of psychological and social well-being that must be addressed to support an individual's overall health and satisfaction.
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