The following are daily returns for the Dow Jones Industrial average during the week of October 13. The returns are rounded to the nearest whole number. 
(See the Excel Data File.)
A) Calculate the arithmetic mean return.
B) Calculate the geometric mean return.
Definitions:
Arguments
The values or parameters that are passed to functions, procedures, or commands in programming and scripts.
Action
In computing, an operation initiated by a user or program, which causes a reaction by the system or software.
Macro
A set of commands or actions bundled together to automate repetitive tasks in software applications, different from its design view aspects.
Recording
The act of capturing audio, video, or digital events for playback or analysis.
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