Data Science Quiz

What is the primary focus of data science?

• Managing databases

• Designing user interfaces

• Creating software applications

• Extracting value from data

Which of the following is NOT a key feature of data science?

• Extracting meaningful patterns

• Building representative models

• Learning algorithms

• Creating marketing strategies

What is the role of machine learning in data science?

• To provide machines with the capability of learning from experience

• To store large amounts of data

• To visualize data

• To manage databases

Which of the following tasks is associated with classification in data science?

• Identifying natural clusters

• Predicting numeric target labels

• Finding relationships within an itemset

• Predicting if a data point belongs to predefined classes

What is the first stage in the data science pipeline?

• Data capture

• Data analysis

• Data communication

• Data maintenance

Which algorithm is commonly used for regression tasks?

• Decision trees

• K-means clustering

• Association rules

• Linear regression

What distinguishes data science from data analytics?

• Data science is only for large datasets

• Data science does not use algorithms

• Data science focuses on historical data

• Data science is more predictive in nature

Which of the following is a common tool used in data science?

• AutoCAD

• Adobe Photoshop

• RapidMiner

• Microsoft Word

What type of data does unsupervised learning work with?

• Structured data only

• Time series data

• Labeled data

• Unlabeled data

Which of the following fields is NOT associated with data science?

• Statistics

• Machine learning

• Graphic design

• Data engineering