Test Your Data Analytics Knowledge

What is the primary purpose of data analytics?

• To store data for future use.

• To extract meaningful insights from data.

• To create complex algorithms without data.

• To visualize data without analysis.

What does 'ETL' stand for in data processing?

• Extract, Transfer, Load

• Extract, Transform, Load

• Extract, Transform, Link

• Extract, Transform, List

What is the difference between structured and unstructured data?

• Unstructured data is organized and easily searchable, while structured data is unorganized.

• Structured data can only be stored in databases, whereas unstructured data can be stored anywhere.

• Structured data is always in text format, while unstructured data is in binary format.

• Structured data is organized and easily searchable, while unstructured data is unorganized and harder to analyze.

Which statistical measure is used to determine the central tendency of a dataset?

• Standard deviation

• Variance

• Mean, median, and mode

• Range

What si the primary purpose of data preprocessing ?

• Data visualization

• Data storage

• Cleaning data

• Data analysis