Data Science Quiz

What is the role of a data scientist in the data science lifecycle?

• Machine learning engineering

• Data visualization

• Data analysis

• Data ingestion

Which programming languages are commonly used by data scientists for statistical inference and data visualization?

• Java and C++

• Python and R

• JavaScript and Ruby

• Swift and Kotlin

What is the primary responsibility of a data scientist in relation to business problems?

• Managing human resources

• Automating data processing

• Developing mobile applications

• Creating marketing campaigns

What is the purpose of data visualization in the data science lifecycle?

• To slow down the decision-making process

• To make insights easier to understand

• To confuse decision-makers

• To hide the data analysis results

Which stage of the data science lifecycle involves examining biases, patterns, and distributions of values within the data?

• Data ingestion

• Data storage and data processing

• Communicate

• Data analysis

What is the term used for the process of cleaning data, deduplicating, transforming, and combining the data using ETL jobs or other data integration technologies?

• Data ingestion

• Data storage and data processing

• Data analysis

• Communicate

Which field was dubbed the 'sexiest job of the 21st century' by Harvard Business Review?

• Data engineering

• Data science

• Data analysis

• Data visualization

What is the primary purpose of data science in organizations?

• To hide the data analysis results

• To slow down business outcomes

• To uncover actionable insights in data

• To confuse decision-making

What is the primary responsibility of a data scientist in relation to data analysis?

• Developing mobile applications

• Creating marketing campaigns

• Conducting exploratory data analysis

• Managing human resources

Which stage of the data science lifecycle involves presenting insights as reports and data visualizations?

• Data ingestion

• Data storage and data processing

• Communicate

• Data analysis