In a series of titrations, a chemist observes varying endpoint volumes. How should the chemist address this indeterminate error?

• A. By performing more trials and averaging the results to account for variability.
• B. By adjusting the concentration of the titrant to match expected values.
• C. By using a different indicator to achieve a sharper endpoint.
• D. By recalibrating the burette to ensure consistent delivery.

Answer: (A)