Data Science and Analytics Quiz

What is the primary focus of data science?

• To create unstructured data

• To unify statistics and data analysis

• To increase manual data processing

• To eliminate data-driven decision making

Which of the following is NOT a type of data mentioned in the text?

• Semi-structured data

• Structured data

• Unstructured data

• Hierarchical data

What does predictive analytics aim to do?

• Forecast future events

• Identify the root cause of issues

• Prescribe actions to take

• Describe past events

Which advanced analytics method is focused on recommending actions?

• Descriptive analytics

• Prescriptive analytics

• Predictive analytics

• Diagnostic analytics

What is a key characteristic of big data?

• It is small in size

• It is easy to analyze

• It is high-dimensional and complex

• It is always structured

Which of the following is a machine learning technique mentioned in the text?

• Manual data processing

• Data entry

• Regression analysis

• Statistical sampling

What is the role of a data scientist?

• To interpret and analyze data

• To manage data storage

• To create unstructured data

• To eliminate data redundancy

Which application domain is NOT mentioned in the text?

• Telecommunications

• Cybersecurity

• Agriculture

• Healthcare

What is the purpose of exploratory data analysis?

• To prescribe actions

• To create structured data

• To summarize key characteristics of data

• To predict future trends

Which of the following is a challenge in data science?

• Understanding business problems

• Eliminating data sources

• Creating unstructured data

• Reducing data volume