Use the chart below to answer the following questions regarding flow chart symbols. 
-Which symbol would be used in a flowchart to represent a payroll master file kept on magnetic tape?
Definitions:
Formula
A mathematical expression or rule expressed in symbols, representing the relationship between variables.
Summation
The process of adding together a sequence of numbers or other quantities to find their total.
Standard Deviation
A measure of the amount of variation or dispersion in a set of values, indicating how spread out the values are.
Greek Letter
Symbols used in mathematics, science, and engineering to denote variables, constants, and special functions.
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