Question 1
(a)
Define: probability and inferential statistics.
3 Marks
(b)
Write a note on data visualization.
4 Marks
(c)
Discuss working of classification in brief.
7 Marks
Gujarat Technological UniversitySummer 2025 Examination
GTU 3161613 Data Analysis and Visualization Summer 2025 Paper Solution & PDF
B.E. · IT Engineering · Semester 6 · Subject Code: 3161613
Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours10:30 AM – 1:00 PM
Paper Structure5 QuestionsWith internal OR choices
Question 2
(a)
Discuss outliers with its detection techniques.
3 Marks
(b)
Write a note on dimensionality reduction.
4 Marks
(c)
Explain working of random forest algorithm.
7 Marks
OR OPTION
(c)
Explain working of k-nearest neighbor algorithm with suitable example.
7 Marks
Question 3
(a)
Discuss over fitting problem.
3 Marks
(b)
Explain working of average nearest neighbor algorithm.
4 Marks
(c)
Write the differences between supervised learning and unsupervised learning.
7 Marks
OR OPTION
(a)
Write a note on nearest neighbor analysis.
3 Marks
(b)
Discuss clustering technique with suitable example.
4 Marks
(c)
Explain working of tree pruning.
7 Marks
Question 4
(a)
Write a note on time series analysis.
3 Marks
(b)
Briefly discuss use of D3.js for data visualization with its pros and cons.
4 Marks
(c)
Write a note on D3-DOM selection methods with appropriate examples.
7 Marks
OR OPTION
(a)
Discuss the most appropriate design style in data visualization.
3 Marks
(b)
Briefly discuss comparative graphics.
4 Marks
(c)
Write a note on big three principles of data visualization.
7 Marks
Question 5
(a)
Write a note on tableau public.
3 Marks
(b)
Discuss data visualization graphs.
4 Marks
(c)
Explain HTML and DOM in data visualization with the help of appropriate example.
7 Marks
OR OPTION
(a)
Write a note on plotly for data visualization.
3 Marks
(b)
Explain popular web analytics applications used by data scientist.
4 Marks
(c)
Discuss various points to design dashboard for data visualization.
7 Marks
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About this Examination Paper & Attribution
Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Data Analysis and Visualization (Summer 2025, B.E. · IT Engineering, Sem 6). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.