Which statement regarding the drafting of the audit conclusions is correct?

Comprehensive and Detailed In-Depth Explanation:

According to ISO 19011:2018, Clause 6.4.9 (Audit Conclusions):

Audit conclusions must be based on verified evidence.

The evidence must be evaluated both quantitatively and qualitatively to ensure accuracy.

Observations alone (A) are insufficient; conclusions must be supported by objective evidence.

Thus, B is the correct answer.