Comprehensive and Detailed In-Depth Explanation:
ISO 19011:2018 requires auditors to conduct audits professionally and diligently.
Clause References:
ISO 19011:2018, Clause 4.4 - Professional Care: Auditors must exercise due diligence in conducting audits.
ISO 9001:2015, Clause 9.2 - Internal Audit: Requires objective and systematic audits to evaluate QMS effectiveness.
Why is the Correct Answer A?
The audit team followed best practices by gathering verifiable audit evidence through interviews, document reviews, and observations.
They ensured fair presentation of findings in the final audit report.
They complied with ISO 9001 and ISO 19011 guidelines for audit procedures.
Why are the Other Options Incorrect?
B (Ordinary negligence) # No evidence of negligence; the team followed structured audit processes.
C (Gross negligence) # No indication that the auditors ignored important responsibilities.
D (Willful misconduct) # The auditors acted professionally and did not intentionally disregard rules.
Reference:
ISO 19011:2018, Clause 4.4 - Professional Care
ISO 9001:2015, Clause 9.2 - Internal Audit