Business Data Mining Quiz

What is the primary goal of data mining?

• Storing large amounts of data

• Extracting meaningful patterns and insights from data

• Designing databases for data collection

• Creating data visualization dashboards

Which of the following is NOT a common data mining technique?

• Classification

• Regression

• Data Entry

• Clustering

Which of the following industries commonly uses data mining for customer segmentation?

• Healthcare

• Retail

• Agriculture

• Education

Which type of data mining algorithm is used to predict continuous numeric values?

• Regression

• Clustering

• Classification

• Association

What is the first step in the data mining process?

• Data Cleaning

• Model Building

• Data Exploration

• Problem Definition

Which of the following is an example of supervised learning?

• K-means Clustering

• Decision Tree Classification

• Apriori Algorithm

• PCA (Principal Component Analysis)

What is overfitting in the context of data mining?

• A model that performs well on training data but poorly on new data

• A model that cannot find any patterns in the data

• A process of cleaning data too thoroughly

• A technique to improve the accuracy of a model

Which tool is commonly used for data mining tasks?

• Microsoft Excel

• Tableau

• Weka

• Adobe Photoshop

What is the purpose of association rule mining?

• To classify data into predefined categories

• To find relationships between variables in data

• To group data into clusters

• To reduce dimensionality of the dataset

In business data mining, what is the term for identifying unusual patterns that do not conform to expected behavior?

• Clustering

• Outlier Detection

• Classification

• Feature Engineering