EBK AUDITING+ASSURANCE SERVICES
17th Edition
ISBN: 9780135171219
Author: ARENS
Publisher: PEARSON CO
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Question
Chapter 15, Problem 21RQ
To determine
Evaluate the CUER at a 10 percent ARO if four exceptions are found in the sample using statistical attributes sampling. Also, describe the meaning of the statistical results in auditing terms.
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Identify the factors an auditor uses to decide the appropriateARO. Compare the sample size for an ARO of 10% with that of 5%, all other factorsbeing equal.
Evaluating Results: Classical Variables Sampling. Kyle Berry is using mean-per-unit estimation in the audit of Leonard’s inventory balances. Leonard’s inventory is recorded at $240,000 and comprises 1,200 different items. Berry determined a sample size of 120 items and performed the appropriate substantive procedures. Based on this sample, he determined the following:
Average audited value (per item)
$204
Standard deviation of audited values
$ 22
A summary of some additional parameters estimated by Berry follow:
Tolerable misstatement
$ 17,500
Expected misstatement
$ 7,500
Risk of incorrect acceptance
5%
Risk of incorrect rejection
10%
Required:a. What is Berry’s estimate of the audited value of Leonard’s inventory?b. Calculate the precision and precision interval for Leonard’s inventory. Provide a briefdescription of the meaning of the precision interval.c. What is Berry’s conclusion with respect to Leonard’s inventory balance?d. Using a risk of incorrect…
. STATEMENT 1: Random sampling is a selection method that aims to eliminate bias in the selection
process.
STATEMENT 2: Assume that the auditor wants to examine 50 sales invoice (sample size) from a
population of 2000 sales invoice, the sampling interval using haphazard selection is 40 (2,000/50).
A. Only Statement 1 is incorrect
B. Only Statement 1 is correct
C. Both statements are incorrect
D. Both statements are correct
Chapter 15 Solutions
EBK AUDITING+ASSURANCE SERVICES
Ch. 15 - Prob. 1RQCh. 15 - Prob. 2RQCh. 15 - Prob. 3RQCh. 15 - Prob. 4RQCh. 15 - Prob. 5RQCh. 15 - Prob. 6RQCh. 15 - Prob. 7RQCh. 15 - Prob. 8RQCh. 15 - Prob. 9RQCh. 15 - Prob. 10RQ
Ch. 15 - Prob. 11RQCh. 15 - Prob. 12RQCh. 15 - Prob. 13RQCh. 15 - Prob. 14RQCh. 15 - Distinguish between the TER and the CUER. How is...Ch. 15 - Prob. 16RQCh. 15 - Prob. 17RQCh. 15 - Prob. 18RQCh. 15 - Prob. 19RQCh. 15 - Prob. 20RQCh. 15 - Prob. 21RQCh. 15 - Prob. 22RQCh. 15 - Prob. 23.1MCQCh. 15 - Prob. 23.2MCQCh. 15 - Prob. 23.3MCQCh. 15 - Prob. 24.1MCQCh. 15 - Prob. 24.2MCQCh. 15 - Prob. 24.3MCQCh. 15 - Prob. 25.1MCQCh. 15 - Prob. 25.2MCQCh. 15 - Prob. 25.3MCQCh. 15 - Prob. 26.1MCQCh. 15 - Prob. 26.2MCQCh. 15 - Prob. 26.3MCQCh. 15 - Prob. 27DQPCh. 15 - Prob. 28DQPCh. 15 - Prob. 30DQPCh. 15 - Prob. 31DQPCh. 15 - Prob. 32DQPCh. 15 - Prob. 36DQPCh. 15 - Prob. 37DQPCh. 15 - Prob. 38C
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- In performing a test of controls for ABC, Inc., the auditor wants to know whether Sales order are approved before goods are picked, packed and shipped to customers. The CPAs has stipulated a Tolerable Deviation Rate (TDR) of 8 percent with a Risk of Assessing Control Risk too low of 5 percent. The CPA also anticipates a deviation rate of 2%. What type of sampling plan should the auditor use for this test? Attribute sampling Monetary samplingarrow_forwardAn auditor is determining the appropriate sample size for testing inventory valuation using MUS The population has 3,140 inventory items valued at Calculate the preliminary sample size. Select the formula, then enter the amounts and calculate the sample size. (Abbreviation used TM tolerable misstatement Enter amounts in the for (Click the icon to view the table for determining the confidence factor) Confidence Factor 4.33 TM as Percentage of Population Value 39.75 ECCEED Sample Sizearrow_forwardMonetary Unit Sampling with IDEA: Determining Sample Size. Assume that your audit team has established the following parameters for the examination of ELM’s sales transactions: Risk of incorrect acceptance 10% Tolerable misstatement $311,711 (or 8% of the recorded balance of the transactions) Expected misstatement $77,928 (or 2% of the recorded balance of the transactions) Required:a. Use IDEA to determine the necessary sample size, given the above parameters.Parts (b), (c), and (d) are independent scenarios that affect the sample size in this example.b. Assume that your audit team has decided to increase their reliance on internal controland permit a corresponding increase in the risk of incorrect acceptance from 10 percentto 15 percent, which maintains overall audit risk at the same level. What is the necessarysample size, holding all other factors constant?c. Assume that your audit team has decided to reduce the level of tolerable misstatementfrom $311,711 to $233,783 (or…arrow_forward
- Indicate whether you agree or disagree with the following statements and explain your reasoning. Joseph Cabana was explaining to Carl Metz how sampling risk works for the audit team: "Non- sampling risk is the risk that as auditors we will arrive at a conclusion that has nothing to do with sampling issues." Kendal Clarke was auditing the miscellaneous expense account. She decided to chose every transaction that had a value of $20,000 or higher. Kendal is performing a statistical sampling technique known as systematic selection. Melissa Wilson had concluded that control risk was low for her audit client. Therefore, she decided that the most appropriate audit strategy was a combined audit strategy.arrow_forwardUsing difference estimation, an auditor has taken a sample of 75 from a population's 25,000 items; that population has a book value of $125,000. She found that in her sample the average audited value was $4.50, while the average book value was $5.20. What is the estimated total audited value of the population? Multiple Choice $125,000. $107,500. $108,173. $112,500.arrow_forwardPlease answer asaparrow_forward
- In an MUS sample with a sampling interval of $5,000, an auditor discovered that aselected accounts receivable with a recorded amount of $10,000 had an audit valueof $8,000. If this is the only error discovered by the auditor, the projected error ofthe sample would be(1) $1,000. (3) $4,000.(2) $2,000. (4) $5,000.arrow_forwardSample Size Determination. Jule Phillips is examining the internal control of CowboyCompany and has identified the mathematical verification of sales invoices as an importantcontrol and decided to test this control. Based on a discussion with Cowboy’s management,Phillips determined that Cowboy Company’s employees were required to indicate their compliance with this control by writing their initials in an appropriate place on the invoice copy.Assume that Phillips established an acceptable risk of overreliance of 5 percent, anexpected population deviation rate of 3 percent, and a tolerable rate of deviation of 9 percent.Required:a. Using AICPA sample size tables, determine the appropriate sample size.b. Indicate how Phillips would assess the three parameters that are used to determine sample size (risk of overreliance, expected population deviation rate, and tolerable rate ofdeviation).c. Use the original parameters but now assume that Phillips is willing to increase the acceptable risk…arrow_forwardMonetary Unit Sampling with IDEA: Determining Sample Size and Selecting Sample Items. Assume that your audit team has established the following parameters for the examination of ELM’s sales transactions: Risk of incorrect acceptance 10% Tolerable misstatement $389,638 (or 10% of the recorded balance of the transactions Expected misstatement $58,446 (or 1.5% of the recorded balance of the transactions) Required:a. Use IDEA to determine the necessary sample size, given the above parameters.b. What is the sampling interval? Show how the sampling interval can be arithmeticallydetermined from the sample size and the population size.c. Assuming a random start of 5,678, use IDEA to extract sample items from the population. List the transactions associated with the sample items selected by your audit teamfor examination. (Be sure to use “fixed interval extraction” and “high values in database”as options.)d. Describe how IDEA extracts sample items from the population of sales…arrow_forward
- Monetary Unit Sampling. Georgie Costanza, CPA, is auditing the accounts receivable of Vandalay Industries and is considering the use of MUS techniques. Costanza has a number of questions regarding the use of MUS and has asked you to provide answers to them. Required:a. Under generally accepted auditing standards, can Costanza use nonstatistical sampling inthe examination of Vandalay accounts receivable?b. What are the advantages to using statistical sampling in the audit?c. What are the risks associated with sampling, and to what type of losses do they exposeCostanza?d. How does Costanza establish the appropriate level of the risk of incorrect acceptance?e. Is Costanza permitted to specify that certain items be examined, or do all items need tobe randomly selected?f. How can Costanza increase the likelihood that the items in the sample are representativeof the population?g. Other than the dollar amount of the misstatements, are any other factors important forCostanza to consider with…arrow_forwardAn auditor is going to choose a sample of accounts receivable balances at year end to test and has determined the appropriate sampling interval to be 4 with a random start of the second balance in the list. Presented below are the first 10 accounts in the list (in order). Determine the first 2 account balances (including the random start) that will be sampled and tested using the sampling interval. Beads Galore $678 Beads N Such $5,125 Island Time Beads $235 Premier Beads $4,020 Regal Beads $567 Seattle Bead Xchange $321 Shipwreck Beads $3,502 The Bead Place $870 The Bead Place Too $450 The Bead Place Too Phoenix $125arrow_forwardEvan Kristopher, CPA intends to use probability-proportional-to-size sampling. He has properly selected and audited a sample of 100 accounts receivable from his client’s population of 3,000 accounts. He calculated a sampling interval of $6,000 and the tolerable misstatement for the account is $30,000. Evan also recalls that “basic precision” is equal to the appropriate reliability factor multiplied times the sampling interval. He wishes to accept a risk of incorrect acceptance of 10%. He found that 97 of the 100 accounts in the sample were properly calculated. However, the following three errors existed: Book Value Audited Value $75 $70 1,000 750 9,300 6,720 Required: Calculate the projected misstatement. Calculate the basic precision. Calculate the incremental allowance. Calculate the upper limit on misstatement. What would the auditors’ conclusion be for the population based on the analysis? explain pleasearrow_forward
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