Q.1
14 Marks(c)
What is analytics? Where it is applied? Which are three components of analytics?
Gujarat Technological UniversitySummer 2025 examination
GTU 3151608 Data Science Summer 2025 Question Paper & PDF
B.E. · IT Engineering · Semester 5 · Subject code 3151608
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 2:30 PM – 5:00 PM
- Questions
- 5 with internal choice
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13 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)
Define Decile using example.
(c)
Draw histogram for following data. 10 10 12 12 13 14 15 17 19 19 20 20 21 25 25 27 27 28 31 35
OR
(c)
Draw and explain box plot for following data. 11 14 17 18 19 21 23 24 25 27 90 140
Q.3
14 Marks(b)
Define skewness and kurtosis.
Also asked in Summer 2026 Q2c OR, Winter 2025 Q3b, Winter 2024 Q4c, Summer 2024 Q4c, Winter 2023 Q2b
(c)
Explain various components of bayes theorem.
Also asked in Summer 2026 Q2a, Winter 2025 Q4a, Winter 2024 Q3c
OR
(a)
Define degree of freedom with example.
(b)
What is probability mass function ? Define pdf and cdf for continuous random variable.
Also asked in Winter 2024 Q2c, Summer 2024 Q3c OR, Winter 2023 Q2c
(c)
What is Bionomial distribution? Define cdf,mean and variance of Bionomial distribution.
Q.4
14 Marks(a)
What is normal distribution and standard normal distribution.
(b)
Explain chi square distribution.
(c)
What is sampling distribution and sampling mean.
OR
(a)
Explain random sampling.
(c)
Explain CLT( Central limit theorem).
Also asked in Summer 2026 Q3b, Summer 2024 Q3b OR, Winter 2023 Q3b
Q.5
14 Marks(a)
What is dependent and independent variable.
(b)
What is difference between correlation and regression.
Also asked in Winter 2024 Q4a OR, Summer 2023 Q5a
OR
(b)
Explain logistic regression using example.
(c)
Explian decision tree construction.
Also asked in Winter 2025 Q5c, Winter 2023 Q4c OR, Summer 2023 Q5c OR
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About this paper
Official Gujarat Technological University (GTU) examination paper for Data Science (Summer 2025, 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.