Question

1. when working with data from an external source, what can metadata help data analysts do? select all that apply.

□ ensure data is clean and reliable.
□ combine data from more than one source.
□ understand the contents of a database.
□ choose which analyses to run.

Explanation:

• Metadata provides context about data (like source, quality, structure), which helps verify if external data is clean/reliable.
• It standardizes data structure, enabling combination of data from multiple external sources.
• Metadata defines data schemas, labels, and relationships, so analysts can understand a database's contents.
• By clarifying data's purpose, limitations, and structure, metadata guides analysts in selecting appropriate analyses.

Answer:

• Ensure data is clean and reliable.
• Combine data from more than one source.
• Understand the contents of a database.
• Choose which analyses to run.