Data Mining Quiz

Which of the following best defines data mining?

• The process of storing large data sets for future use

• The process of sorting through large data sets to identify patterns and relationships

• The process of deleting irrelevant data from databases

• The process of visualizing data using dashboards

Which step is NOT part of the typical data mining process?

• Data gathering

• Data warehousing

• Data preparation

• Data analysis and interpretation

In data mining, which technique is primarily used to assign elements in data sets to different categories?

• Clustering

• Regression

• Classification

• Association rule mining

Which of the following is a key benefit of data mining in business?

• Increased operational downtime

• Improved supply chain management

• Higher data redundancy

• Decreased customer insight

What does the term 'support' mean in association rule mining?

• The probability that a rule is correct

• The number of times an if-then statement is accurate

• How frequently related elements appear in a data set

• The number of clusters formed

Which data mining technique is most appropriate for grouping similar data elements together?

• Classification

• Regression

• Clustering

• Sequence analysis

Which of the following is NOT a typical application of data mining?

• Fraud detection

• Weather forecasting

• Customer segmentation

• Predictive maintenance

What is the main purpose of data cleaning in the data mining process?

• To reduce the number of attributes

• To remove noisy or incomplete data

• To compress data

• To visualize data

Which method is commonly used for handling missing data during data cleaning?

• Deleting the entire database

• Filling in the most probable value

• Ignoring all data

• Randomly generating values

What is binning in the context of data cleaning?

• Grouping values into bins and smoothing them

• Deleting bins with outliers

• Creating new bins for every value

• Sorting bins by frequency