A social worker was interested in determining whether there is a significant difference in the average monthly cost per child for childcare outside the home between state supported facilities and privately owned facilities. Two independent random samples were selected yielding the following information: 
Find a 90% confidence interval for the true difference in average monthly cost of the childcare.
______________
Based on the interval above, can one conclude there is a significant difference in average cost of childcare between the state supported facilities and privately owned facilities?
______________
Explain.
________________________________________________________
Definitions:
Procedural Justice
The degree to which people perceive the implementation of company policies and procedures to be fair.
Company Policies
Guidelines and rules set by organizations to dictate expected behavior and processes within the company.
Distributive Justice
The degree to which people think outcomes are fair.
Degree Perceive
The extent to which an individual is aware of or understands a certain situation or phenomenon.
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