Nov Dec 2025

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Total No. of Questions : 8] [Total No. of Pages : 2 [6584]-89 B. E. (Computer Engineering) BUSINESS INTELLIGENCE (2019 Pattern) (Semester - VIII) (410253 C) (Elective-VI) Time : 2½ Hours] [Max. Marks : 70 Instructions to the candidates : 1) Attempt Q1 or Q2, Q3 or Q4, Q5 or Q6, Q7 or Q8. 2) Figures to the right side indicate full marks. 3) Neat diagrams must be drawn wherever necessary. 4) Assume suitable data, if necessary. PE-2190 Q1 ) a) State the different types of reports with their applications. [6] b) Explain the multidimentional data model with example [6] c) State the difference between relational and multidimentional data model. [6] OR Q2 ) a) Suggest the use of Data grouping & Sorting, Filtering Reports. [6] b) Explain the Relational data model with example. [6] c) Explain the detail Drill up and Drill Down. [6] Q3 ) a) Explain data reduction in detail with example. [7] b) What is data Transformation? Explain Data transformation Process in details. [5] c) Explain data validation, incompleteness, noise,inconsistency of quality of input data. [5] OR Q4 ) a) What is Contingency Table? What is Marginal Distribution? Justify with suitable example. [7] b) Write short notes on data discretization. [5] c) Explain the following Data Reduction technique:Sampling, Feature selection, Principal components analysis. [5] SEAT No. : P .T.O. CEGP013091 49.248.216.237 08/12/2025 13:43:09 static-237 CEGP013091 49.248.216.237 08/12/2025 13:43:09 static-237 CEGP013091 49.248.216.237 08/12/2025 13:43:09 static-237 2[6584]-89 Q5 ) a) What is logistic regression? Discuss the types of logistic regression. [6] b) What is the difference between hierarchical clustering and partitioning method? [6] c) What is decision tree? Explain with a case study.…