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WorksheetsReal-Life Applications of Data Mining
Total questions: 20
Worksheet time: 10mins
Which of the following is a primary use of data mining in healthcare?
Predicting movie box office sales
Identifying disease outbreaks and patient risk factors
Calculating stock market indices
Designing video games
Which technique is commonly used in fraud detection to identify unusual patterns in financial transactions?
Clustering
Regression
Association rule mining
Time series forecasting
In social media sentiment analysis, what is the main goal?
To count the number of posts
To determine the emotional tone behind user comments
To increase the number of followers
To block spam accounts
Which of the following best describes predictive analytics in sports?
Analyzing past games for entertainment
Predicting future player performance and game outcomes
Creating new sports equipment
Broadcasting live matches
Which data mining application is used in education to identify students at risk of failing?
Market basket analysis
Early warning systems using predictive modeling
Image recognition
Weather forecasting
A grocery store retailer is trying to decide whether to put bread on sale. This is related to which data mining task?
Association
Outlier analysis
Summarization
Prediction
Which of the following is a key challenge in fraud detection using data mining?
Lack of data
Evolving fraud patterns
Too many labeled examples
Unlimited computational resources
Which metric is commonly used to evaluate the accuracy of sentiment analysis models?
Mean squared error
Precision, recall, and F1-score
Gini index
Support
In sports analytics, which variable might be predicted using regression analysis?
Player jersey color
Number of goals scored in a season
Stadium seating arrangement
Team mascot
Which of the following is an example of data mining in education?
Predicting student dropout rates
Scheduling school buses
Designing classroom furniture
Printing textbooks
Which data mining technique is often used to detect anomalies in healthcare data?
Anomaly detection
Text summarization
Web scraping
Data encryption
Which of the following is a common data source for social media sentiment analysis?
Medical records
Tweets and Facebook posts
Weather reports
Satellite images
Which mathematical concept is often used in predictive analytics to estimate probabilities?
Calculus
Probability theory
Geometry
Trigonometry
Which of the following is a benefit of using data mining in fraud detection?
Increases manual workload
Detects fraudulent activities faster and more accurately
Reduces the need for data
Guarantees zero fraud
Which of the following is a limitation of sentiment analysis in social media?
It can only analyze images
Difficulty in understanding sarcasm and slang
It always gives 100% accurate results
It requires no data
Which predictive analytics technique is commonly used in sports to optimize team strategies?
Linear regression
Genetic algorithms
Neural networks
All of the above
Which of the following is a goal of education data mining?
To improve teaching methods and student learning outcomes
To increase cafeteria food options
To reduce school holidays
To design sports uniforms
A college professor wishes to reach a certain level of savings before her retirement. This is related to which data mining task?
Clustering
Classification
Association
Regression
Which data mining method is often used to group students with similar learning behaviors?
Clustering
Classification
Regression
Association rule mining
Which of the following best describes the use of association rule mining in fraud detection?
Identifying common itemsets in shopping carts
Discovering unusual combinations of transactions that may indicate fraud
Predicting weather patterns
Analyzing DNA sequences
