Auditing and Assurance Services (16th Edition)
Auditing and Assurance Services (16th Edition)
16th Edition
ISBN: 9780134065823
Author: Alvin A. Arens, Randal J. Elder, Mark S. Beasley, Chris E. Hogan
Publisher: PEARSON
Question
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Chapter 15, Problem 30DQP

a.

To determine

Compute the appropriate non-statistical sample size.

b.

To determine

Ascertain the initial sample sizerequired to satisfy therequirements of auditor using attributes sampling.

c.

To determine

Explain the effect on the initial sample size (increase or decrease) of changingeach of the following factors keeping other factors same.

d.

To determine

Explain the large differences occurred in the sample sizes for columns 3 or 6.

e.

To determine

Explain the differences in the results of Requirement C with the results obtained in Requirement A or Requirement B. Identify the four factors appears to havethe greatest effect and the least effect on the initial sample size.

f.

To determine

Explain the reasons for sample size and initial sample size being the similar term.

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Sample Size Determination. Review each of the following independent sets of conditions.Required:Use AICPA sample size tables to identify the appropriate sample size for use in a statistical sampling application (ROO = risk of overreliance, EPDR = expected population deviation rate, TRD = tolerable rate of deviation). What is your conclusion regarding the relationship of each of these factors to sample size based on comparing the sample sizes across differentcombinations of these factors?a. ROO = 5%, EPDR = 0%, TRD = 7%.b. ROO = 5%, EPDR = 3%, TRD = 7%.c. ROO = 5%, EPDR = 3%, TRD = 6%.d. ROO = 10%, EPDR = 0%, TRD = 7%.
Review each of the following independent sets of conditions. For each condition, calculatethe (1) sample rate of deviation, (2) ULRD, and (3) allowance for sampling risk (n = samplesize, d = deviations, ROO = risk of overreliance). What is your conclusion regarding therelationship of each of these factors to the ULRD based on comparing the ULRD across different combinations of these factors?a. n = 100, d = 8, ROO = 5%.b. n = 100, d = 4, ROO = 5%.c. n = 100, d = 8, ROO = 10%
Sample Size Determination. Review each of the following independent sets of conditions.Required:Use AICPA sample size tables to identify the appropriate sample size for use in a statisticalsampling application (ROO = risk of overreliance, EPDR = expected population deviationrate, TRD = tolerable rate of deviation). What is your conclusion regarding the relationshipof each of these factors to sample size based on comparing the sample sizes across differentcombinations of these factors?a. ROO = 5%, EPDR = 1%, TRD = 4%.b. ROO = 5%, EPDR = 1.5%, TRD = 4%.c. ROO = 5%, EPDR = 1.5%, TRD = 6%.d. ROO = 10%, EPDR = 1.5%, TRD = 4%
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