Agent skill

audit-sampling-calculator

Statistical and non-statistical audit sampling skill with sample size determination and evaluation

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Forks 31

Install this agent skill to your Project

npx add-skill https://github.com/a5c-ai/babysitter/tree/main/library/specializations/domains/business/finance-accounting/skills/audit-sampling-calculator

Metadata

Additional technical details for this skill

domain
business
shared
YES
category
audit
priority
medium
specialization
finance-accounting

SKILL.md

Audit Sampling Calculator

Overview

The Audit Sampling Calculator skill provides comprehensive audit sampling capabilities for both statistical and non-statistical approaches. It supports sample size determination, selection, and evaluation across various audit contexts.

Capabilities

Attribute Sampling

  • Sample size calculation
  • Expected error rate input
  • Tolerable deviation rate
  • Confidence level selection
  • Upper error limit calculation
  • Pass/fail evaluation

Monetary Unit Sampling (MUS)

  • Population stratification
  • Sampling interval calculation
  • Selection methodology
  • Projected error calculation
  • Upper error bound
  • Tainting analysis

Classical Variables Sampling

  • Mean-per-unit estimation
  • Difference estimation
  • Ratio estimation
  • Standard deviation calculation
  • Precision determination
  • Confidence interval

Sample Size Calculation

  • Risk model inputs
  • Tolerable misstatement
  • Expected misstatement
  • Confidence factors
  • Population characteristics
  • Prior year results

Projection of Errors

  • Known error projection
  • Likely error calculation
  • Sampling risk assessment
  • Anomalous error treatment
  • Extrapolation methods
  • Documentation requirements

Confidence Level Analysis

  • Risk of incorrect acceptance
  • Risk of incorrect rejection
  • Achieved precision
  • Sample result evaluation
  • Decision criteria
  • Conclusion documentation

Usage

Substantive Testing Sample

Input: Population, materiality, risk assessment, expected error
Process: Calculate sample size, select items, project results
Output: Sample selection, projected misstatement, audit conclusion

Control Testing Sample

Input: Control population, tolerable rate, expected rate
Process: Determine sample, execute testing, evaluate results
Output: Upper deviation rate, control reliance conclusion

Integration

Used By Processes

  • Internal Audit Planning and Execution
  • SOX Compliance and Testing
  • External Audit Coordination

Tools and Libraries

  • IDEA
  • ACL Analytics
  • Statistical sampling libraries
  • Audit workpaper platforms

Cross-Specialization Use

  • QA Testing Automation
  • Data Quality domains

Best Practices

  1. Document sampling methodology selection rationale
  2. Ensure random selection integrity
  3. Investigate all identified errors
  4. Consider qualitative factors in evaluation
  5. Maintain population completeness
  6. Archive sampling parameters for reference

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