Introduction to Data Science Quiz

Data science combines elements from which of the following fields?

• Mathematics, Statistics, and Biology

• Computer Science, Mathematics, and Statistics

• Chemistry, Physics, and Computer Science

• Economics, Biology, and Chemistry

Which sector benefits the most from the application of data science?

• Banking

• Healthcare

• Retail

• All of the above

Data Science is best described as:

• The study of data to extract meaningful insights

• The study of data storage methods

• The study of data collection techniques

• None of the above

Which of the following is NOT an element of data science?

• Data visualization

• Data engineering

• Hardware repair

• Machine learning

The first step in the data science process is:

• Data cleaning

• Data visualization

• Understanding the business problem

• Model deployment

Data cleaning involves:

• Removing duplicates

• Fixing missing data

• Ensuring data consistency

• All of the above

Which phase of the data science process involves creating predictive models?

• Data cleaning

• Data analysis

• Model building

• Data visualization

Model evaluation in the data science process is used to:

• Improve model performance

• Deploy the model

• Discard the data

• Store the data

Business Intelligence primarily focuses on:

• Predictive analytics

• Historical data analysis

• Machine learning

• Real-time analytics

How does data science differ from business intelligence?

• Data science focuses only on visualization

• Data science emphasizes predictive modeling and machine learning

• Data science uses less data than business intelligence

• There is no difference