Gujarat Technological UniversityWinter 2024 examination

GTU 3151608 Data Science Winter 2024 Question Paper & PDF

B.E. · IT Engineering · Semester 5 · Subject code 3151608
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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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18 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.1

14 Marks
(a)
3 marks
What is the purpose of Web and Social Media Analytics?
(b)
4 marksAsked in 3 of 7 papers
Describe Percentile, Decile and Quartile.

Percentile, Decile and Quartile

Also asked in Summer 2026 Q3c OR, Winter 2025 Q2a

(c)
7 marksAsked in 2 of 7 papers

Discuss the framework for Data-Driven Decision Making and Analytics Capability Building.

Also asked in Winter 2023 Q1c

Q.2

14 Marks
(a)
3 marksAsked in 2 of 7 papers
Differentiate uniform distribution and exponential distribution.

Also asked in Winter 2025 Q3c

(b)
4 marksAsked in 4 of 7 papers
Differentiate Probabilistic Sampling and Non-Probability Sampling.

Also asked in Winter 2025 Q4b, Winter 2023 Q4a, Summer 2023 Q3b

(c)
7 marksAsked in 4 of 7 papers

Discuss the importance and application of Probability Density Function (PDF) in continuous random variables.

Also asked in Summer 2025 Q3b OR, Summer 2024 Q3c OR, Winter 2023 Q2c

(c)
7 marks

The following dataset represents the ages of 10 people: 21, 24, 27, 34, 36, 38, 41, 42, 45, and 50.

  • Calculate the mean, median, and mode of the dataset.
  • Calculate the range, variance, and standard deviation.
  • Calculate the skewness of the data and interpret whether it is positively or negatively skewed.

Q.3

14 Marks
(a)
3 marks

If the probability of picking a red ball from a bag is 0.3 and the probability of picking a blue ball is 0.5, what is the probability of picking either a red or a blue ball?

(b)
4 marksAsked in 3 of 7 papers
Compare linear regression vs. Logistic regression.

Also asked in Winter 2025 Q5b, Summer 2024 Q4b

(c)
7 marksAsked in 4 of 7 papers
Explain Bayes’ Theorem with example.

Also asked in Summer 2026 Q2a, Winter 2025 Q4a, Summer 2025 Q3c

(a)
3 marks

In a binomial experiment with n=6 and p=0.5, calculate the probability of getting exactly 4 successes.

(b)
4 marksAsked in 3 of 7 papers
How do you estimate parameters using the Method of Moments?

Also asked in Summer 2026 Q3b OR, Winter 2023 Q5b

(c)
7 marks
Consider the following dataset, which represents the number of hours studied
x)and the corresponding exam scores (Y) of five students: Perform basic calculations for linear regression and Predict the exam score for a student who studies for 7 hours. Hours Studied
x)Exam Score (Y) 2 50 4 55 6 60 8 65 10 70

Q.4

14 Marks
(a)
3 marksAsked in 4 of 7 papers
Explain the term 'Outlier' in the context of data analysis.

Also asked in Winter 2025 Q5b OR, Summer 2024 Q3a OR, Winter 2023 Q5a

(b)
4 marksAsked in 3 of 7 papers
Explain why Central Limit Theorem is called as a heart of the Data Science.

Also asked in Winter 2025 Q4b OR, Winter 2023 Q4b

(c)
7 marksAsked in 6 of 7 papers
Discuss measure of shapes in detail.

Also asked in Summer 2026 Q2c OR, Winter 2025 Q3b, Summer 2025 Q3b, Summer 2024 Q4c, Winter 2023 Q2b

(a)
3 marksAsked in 3 of 7 papers
Differentiate regression and correlation.

Also asked in Summer 2025 Q5b, Summer 2023 Q5a

(b)
4 marksAsked in 2 of 7 papers
What is Weight and Bias Tradeoff in Linear Regression?

Also asked in Winter 2023 Q4a OR

(c)
7 marksAsked in 4 of 7 papers
Explain Maximum Likelihood Estimation (MLE) in detail.

Also asked in Summer 2026 Q3a, Winter 2025 Q4c OR, Winter 2023 Q4b OR, Winter 2023 Q5c OR

Q.5

14 Marks
(a)
3 marksAsked in 2 of 7 papers
Explain significance of GINI impurities in splitting dataset.

Also asked in Winter 2023 Q5a OR

(b)
4 marksAsked in 2 of 7 papers

Discuss the advantages and limitations of Ensemble Methods like Random Forest in classification.

Also asked in Summer 2024 Q5a OR

(c)
7 marksAsked in 2 of 7 papers

Explain how the Chi-Square Automatic Interaction Detection (CHAID) method works in splitting decision tree nodes.

Also asked in Summer 2024 Q5c OR

(a)
3 marks
Which are the different matrices to select best model for Classification Problems?
(b)
4 marksAsked in 3 of 7 papers
Explain the categories of Machine Learning Algorithms.

Also asked in Summer 2024 Q2b, Winter 2023 Q3b OR

(c)
7 marks

How decision tree and random forest algorithm can be compared on various performances attributes?

More Data Science papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Summer 202670 marks · 5 questions
Winter 202570 marks · 5 questions
Summer 202570 marks · 5 questions
Summer 202470 marks · 5 questions

Other Semester 5 subjects

BE IT

3151604
Object Oriented Analysis and Design
3151605
Formal Language and Automata Theory
3151606
Web Development

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About this paper

Official Gujarat Technological University (GTU) examination paper for Data Science (Winter 2024, 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.

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