The frequency distribution below shows the monthly expenditure on gasoline for a sample of 14 individuals. 
a.Compute the mean.
b.Compute the standard deviation.
Definitions:
Fairness
The characteristic of forming opinions that are unbiased and honest.
Unemployment
The situation when individuals who are capable of working and actively seeking employment cannot find a job.
Ultimatum Game
An economic experiment and game theory scenario where two players decide how to divide a sum of money between them.
Proposals
Formal plans or suggestions put forward for consideration or discussion by others, often related to projects, research, or policy changes.
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