Anonymized data is best described as which?

• A. Data that contains identifiable personal details.
• B. Unidentified data collected and aggregated with others to identify trends or market products.
• C. Data that has never been collected.
• D. Data that is publicly available.

Answer: (B)

Anonymized data means information from which personal identifiers have been removed or obscured, and which is often shown in aggregate form so individuals can’t be singled out. This matches describing it as unidentified data collected and aggregated with others to identify trends or market products, because the goal is to learn about patterns without exposing who the data came from. The other descriptions miss the core idea: data that still contains identifiable personal details isn’t anonymized; data that has never been collected isn’t about anonymity; publicly available data isn’t defined by whether it has been anonymized.