A study investigated the relationship between audit delay $($the length of time from a company's fiscal year$-$end to the date of the auditor's report$)$ and variables that describe the client and the auditor. Some of$.$the independent variables that were included in this study follow:

Industry A dummy variable coded $1$ if the firm was an industrial company or $0$ if the firm was a bank, savings and loan, or insurance company.

Public A dummy variable coded $1$ if the company was traded on an organized exchander or over the counter; othise coded $0.$

Quality A measure of overall quality of internal controls, as judged by the auditor, on a $5-$point scale ranging from "virtually none" $(1)$ to "excellent" $(5).$

Finished A measure ranging from $1$ to $4,$ as judged by the auditor, where $1$ indicates "all work performed subsequent to year$-$end" and $4$ indicates "most work performed prior to year$-$end."

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DATA file

A sample of $40$ companies provided the following data:

$\backslash$table$[[$Delay $($Days$),$Industry,Public,Quality,Finished$],[62,0,0,3,1],[45,0,1,3,3],[54,0,0,2,2],[71,0,1,1,2],[91,0,0,1,1],[62,0,0,4,4],[61,0,0,3,2],[69,0,1,5,2],[80,0,0,1,1],[52,0,0,5,3]]$