Data Analytics Quiz 1

What is the main objective of data analytics?

• Storing information

• Deriving actionable insights from data

• Creating data visualizations

• Generating raw data

Which type of analytics focuses on analyzing past data to gain insights into historical trends?

• Descriptive analytics

• Predictive analytics

• Diagnostic analytics

• Prescriptive analytics

What defines structured data?

• Absence of a predefined format

• Arranged in tables or predefined models

• Flexible and unorganized format

• Written in a human-readable markup language

In the context of data analytics, what is the role of descriptive analytics?

• Predicting future events

• Identifying patterns and trends

• Recommending actions for optimization

• Summarizing historical data

Which type of data lacks a predefined structure and can include formats like text and images?

• Semi-structured data

• Unstructured data

• Structured data

• Hierarchical data

What is a common example of structured data?

• Social media posts

• CSV files

• Images

• Emails

In a healthcare context, which is a potential data source for analytics?

• Social media platforms

• Wearable devices

• Online surveys

• E-commerce databases

Which method of data collection involves direct interaction with individuals or groups to gather in-depth information?

• Observations

• Surveys

• Interviews

• Social media monitoring

What is the purpose of data storage in the context of analytics?

• Creating visualizations

• Facilitating efficient processing

• Storing only historical data

• Generating predictive models

Which data format is typically used for storing transaction data and is organized in tables?

• JSON

• XML

• CSV

• Parquet