Use the following to answer questions: 
-(Table: Tutoring) Look at the table Tutoring. If the college requires all tutors to register with the dean and charges each tutor $10 to register and if Sigmund can charge all students their willingness to pay, his total profit from tutoring will be:
Definitions:
Variability
The measure of how data points in a statistical distribution or dataset diverge from the average or mean value.
Central Tendency
A statistical measure that identifies a single value as representative of an entire distribution of data, commonly exemplified by the mean, median, or mode.
Placebo Effect
The phenomenon where patients experience a perceived or actual improvement in their condition solely because they believe they are receiving treatment.
Ineffectual Treatment
A therapy or intervention that does not produce the desired beneficial outcome for the condition it was intended to address.
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