A random sample of nine telephone calls in an office provided the following information. 
a.Determine the point estimate for the average duration of all calls.
b.What is the point estimate for the standard deviation of the population?
c.What is the point estimate for the proportion of all calls that were long distance?
Definitions:
Situational Ethics
An ethical theory that proposes the best ethical action is that which serves the particular circumstances, as opposed to following universal predetermined rules.
Central Authority
The main governing body or administrative organization that has the overarching control or oversight within a certain area or field.
Utilitarianism
An ethical theory that posits the greatest happiness of the greatest number should be the guiding principle of conduct.
Compel Citizens
Enforcing or obliging citizens to follow certain laws, regulations, or directives through legal or authoritative means.
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