Quiz on Data Mining

Which of the following is the correct definition of data mining?

• The trivial process of identifying patterns in data

• The process of identifying valid, novel, useful, and understandable patterns in data

• A method to store data in large quantities

• Extracting irrelevant data from databases

What is the main goal of predictive analytics in law enforcement, as mentioned in the Miami-Dade Police Department case?

• To replace human policing

• To foresee and fight crime

• To store large amounts of data

• To predict economic trends

What does the term "CRISP-DM" stand for in the context of data mining?

• Cross-Industry Standard Process for Data Mining

• Critical Information Processing System for Data Mining

• Complex Integration System for Data Mining

• Common Reporting Information Process for Data Mining

Which of the following is NOT a phase in the CRISP-DM process?

• Business Understanding

• Data Understanding

• Data Mining

• Deployment

Which of the following is a common use of data mining in the financial industry?

• Detecting fraudulent transactions

• Improving store layouts

• Predicting machinery failure

• Optimizing warehouse logistics

What does "association rule mining" help identify?

• Relationships between unrelated products

• Natural groupings of items in a dataset

• Associations between variables in a dataset

• Redundant information in data warehouses

Which of the following algorithms is used in association rule mining?

• Apriori Algorithm

• K-Means Clustering

• Neural Networks

• Decision Trees

What does the term "Support" in association rule mining represent?

• The probability that Y is present when X is absent

• The frequency of items appearing together in a transaction

• The likelihood of the outcome of the rule being false

• The computational support provided by data mining software

What is the primary objective of classification in data mining?

• To segment data into time series

• To categorize data into predefined classes

• To identify sequential patterns in data

• To forecast numerical values

In data mining, which of the following methods is used to automatically group similar items together?

• Association Rule Mining

• Decision Trees

• Cluster Analysis

• Regression Analysis