Data Mining and Warehousing MCQ

1. Which algorithm is an example of a hierarchical clustering algorithm?a) Apriorib) DBSCANc) FP growthd) BIRCH Answer: d) BIRCH Explanation: BIRCH (Balanced Iterative Reducing and … Read more

1. Which of the following algorithms is NOT considered a statistical-based algorithm in classification? a) Naive Bayes b) Logistic Regression c) k-Nearest Neighbors d) Decision … Read more

1. What are the different types of data in data mining? A) Numeric, categorical, textualB) Structured, unstructured, semi-structuredC) Primary, secondary, tertiaryD) Quantitative, qualitative, ordinal Answer: … Read more

1. What is OLAP? a) Online Longitudinal Analytical Processingb) Online Analytical Processingc) Offline Analytical Processd) Overlooked Analytical Platform Answer: b) Online Analytical ProcessingExplanation: OLAP is … Read more

1. What is the purpose of data preprocessing in the context of data warehousing? a) To enhance data securityb) To prepare raw data for analysisc) … Read more