Given below is the scatter plot of the number of employees and the total revenue ($millions) of 20 U.S.companies.There appears to be a positive relationship between total revenue and the number of employees. 
Definitions:
Acoustic Encoding
The process of remembering and understanding something you hear.
Rehearsal
The cognitive process of repeatedly practicing or going over information to aid in memory retention.
Sensory Memory
A type of memory that holds sensory information for a few seconds or less after an item is perceived.
Procedural Memory
A type of long-term memory that enables individuals to perform tasks without conscious awareness, such as riding a bike or typing on a keyboard.
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