For a random sample of returns audited by the IRS, the data in file XR13041 describe the results according to the income category of the audited party (coded as 1 – low, 2 = medium, 3 = moderate, and 4 = high) and the type of IRS personnel who examined the return (coded as 1 = revenue agent, 2 = tax auditor, and 3 = service center). At the 0.05 level, are we able to conclude that the category of return is independent of the type of IRS examiner to which a return was assigned?
A computer and statistical software.

  • CreatedSeptember 08, 2015
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