Q.1
14 Marks(a)
Define continuous random variable and discrete random variable with example.
Also asked in Summer 2024 Q2c
(b)
Differentiate Stratified Sampling and Cluster Sampling.
Also asked in Summer 2025 Q4b OR, Summer 2023 Q3b OR
Gujarat Technological UniversityWinter 2023 examination
GTU 3151608 Data Science Winter 2023 Question Paper & PDF
B.E. · IT Engineering · Semester 5 · Subject code 3151608
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 10:30 AM – 1:00 PM
- Questions
- 5 with internal choice
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22 of 25 questions on this paper were also asked in other years. Each is marked below with the years it appeared.See all 38 repeated 3151608 questions, most asked first
Q.2
14 Marks(b)
Explain the measures of shape- Skewness and Kurtosis.
Also asked in Summer 2026 Q2c OR, Winter 2025 Q3b, Summer 2025 Q3b, Winter 2024 Q4c, Summer 2024 Q4c
(c)
Explain Probability Density Function (PDF) and Cumulative Distribution Function (CDF) of a Continuous Random Variable with suitable example.
Also asked in Summer 2025 Q3b OR, Winter 2024 Q2c, Summer 2024 Q3c OR
OR
(c)
Discuss the various measures used to validate the simple linear regression.
Also asked in Summer 2026 Q4b OR
Q.3
14 Marks(a)
Discuss pyramid of analytics with diagram.
(b)
Explain Central Limit Theorem.
Also asked in Summer 2026 Q3b, Summer 2025 Q4c OR, Summer 2024 Q3b OR
(c)
How the Chi-square distribution is differ from student’s t-distribution explain with example.
Also asked in Summer 2026 Q4c OR, Winter 2025 Q3c OR
OR
(a)
Define following terms:
1Standard Error 2. Sample Mean 3. Degrees of Freedom
(b)
List Machine Learning Algorithms and explain any one in brief.
Also asked in Winter 2024 Q5b OR, Summer 2024 Q2b
Q.4
14 Marks(a)
Give the difference between Probabilistic Sampling and Non-Probability Sampling.
Also asked in Winter 2025 Q4b, Winter 2024 Q2b, Summer 2023 Q3b
(b)
Explain why Central Limit Theorem is called as a heart of the Data Science.
Also asked in Winter 2025 Q4b OR, Winter 2024 Q4b
OR
(b)
How do you calculate maximum likelihood estimation?
Also asked in Summer 2026 Q3a, Winter 2025 Q4c OR, Winter 2024 Q4c OR
(c)
Explain Decision tree algorithm with suitable example.
Also asked in Winter 2025 Q5c, Summer 2025 Q5c OR, Summer 2023 Q5c OR
Q.5
14 Marks(a)
What is Outlier Analysis explain in detail.
Also asked in Winter 2025 Q5b OR, Winter 2024 Q4a, Summer 2024 Q3a OR
(c)
Explain Random forest algorithm with suitable example.
Also asked in Winter 2025 Q5c OR, Summer 2025 Q5a OR, Summer 2024 Q5c
OR
(b)
Explain various Attribute Selection Measures.
(c)
Explain in detail: Maximum Likelihood Estimation (MLE).
Also asked in Summer 2026 Q3a, Winter 2025 Q4c OR, Winter 2024 Q4c OR
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About this paper
Official Gujarat Technological University (GTU) examination paper for Data Science (Winter 2023, B.E. · IT Engineering, Sem 5). 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.