In order to estimate the difference between the average daily sales of two branches of a department store, the following data has been gathered. 
a.Determine the point estimate of the difference between the means.
b.Determine the degrees of freedom for this interval estimation.
c.Compute the margin of error.
d.Develop a 95% confidence interval for the difference between the two population means.
Definitions:
Order for Relief
A court order in a bankruptcy case that allows the bankruptcy process to proceed and provides the petitioner with temporary relief from debt collection actions by creditors.
Automatic Stay
In bankruptcy proceedings, the suspension of almost all litigation and other action by creditors against the debtor or the debtor’s property. The stay is effective the moment the debtor files a petition in bankruptcy.
Willful Malicious
Refers to actions taken with the intent to harm or with deliberate disregard of lawful considerations.
Bankruptcy Estate
The collective pool of assets that is formed upon the filing of bankruptcy, which will be used to pay off creditors.
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