The starting salaries of a sample of community college graduates are given below. 
a.Compute the mean.
b.Compute the variance.
c.Compute the standard deviation.
d.Compute the coefficient of variation.
Definitions:
Explanandum
The phenomenon or event that is explained by the explanans in a scientific explanation.
Explanation
A statement or account that makes something clear, often by detailing the causes, context, or mechanisms behind it.
Logical Strength
The degree to which the premises of an argument support its conclusion, determining its cogency or persuasiveness.
Explanation
A statement or account that makes something clear by describing details or reasons.
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