Data Mining Quiz

What is data mining primarily used for?

• Visualizing data trends

• Storing data securely

• Creating new data

• Finding hidden patterns in large datasets

Which technique is used to predict categories of unknown data?

• Classification

• Clustering

• Regression

• Association

What does clustering in data mining involve?

• Finding relationships between variables

• Predicting numerical values

• Identifying outliers in data

• Grouping similar objects into clusters

Which technique is used to find relationships between variables?

• Clustering

• Classification

• Regression

• Association

What is regression used for in data mining?

• Predicting numerical values based on input data

• Finding hidden patterns

• Identifying data anomalies

• Grouping similar data points

What is the purpose of anomaly detection in data mining?

• To group similar data points

• To classify data into categories

• To predict future trends

• To identify data that deviates from the norm

In which field is data mining used for fraud detection?

• Healthcare

• Education

• Manufacturing

• Finance

How can data mining improve customer satisfaction?

• By increasing product prices

• By reducing costs

• By understanding consumer behavior and preferences

• By automating data entry

What is one application of data mining in healthcare?

• Predicting stock market trends

• Finding patterns in diagnoses or predicting diseases

• Improving customer service

• Managing inventory

How does data mining support decision-making?

• By providing random data

• By enabling decisions based on facts and deep analysis

• By eliminating the need for data analysis

• By focusing solely on historical data