EBK PRINCIPLES OF AUDITING & OTHER ASSU
EBK PRINCIPLES OF AUDITING & OTHER ASSU
21st Edition
ISBN: 9781260299434
Author: WHITTINGTON
Publisher: YUZU
Question
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Chapter 9, Problem 30QRA

a.

To determine

Suggest the type of sampling plan that should be considered by the auditor in the given case.

b.

To determine

Calculate the required sample size using the appropriate table or formula.

c.

To determine

Comment whether CPAs should conclude with a 5 percent risk of assessing control risk too low that the population deviation rate does not exceed the tolerable rate of 8 percent.

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An auditor desired to test credit approval on 10,000 sales invoices processed during the year. The auditor designed a statistical sample that would provide 1 percent risk of assessing control risk too low for the assertion that not more than percent of the sales invoices lacked approval. The auditor estimated from previous experience that about 22 percent of the sales invoices lacked approval. A sample of 200 Invoices was examined, and 7 of them were lacking approval. The auditor then determined the computed upper deviation rate to be 8 percent. In the evaluation of this sample, the auditor decided to increase the level of the preliminary assessment of control risk because the: Multiple Choice O expected population deviation rate (7 percent) was more than the percentage of errors in the sample (3½ percent). expected population deviation rate (2½ percent) was less than the tolerable deviation rate (7 percent). tolerable deviation rate (7 percent) was less than the computed upper…
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