Question 1
(a)
State difference between structure data and unstructured data.
3 Marks
(b)
State difference between sample and population.
4 Marks
(c)
What is analytics? Where it is applied? Which are three components of analytics?
7 Marks
Gujarat Technological UniversitySummer 2025 Examination
GTU 3151608 Data Science Summer 2025 Paper Solution & PDF
B.E. · IT Engineering · Semester 5 · Subject Code: 3151608
Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours2:30 PM – 5:00 PM
Paper Structure5 QuestionsWith internal OR choices
Question 2
(a)
Define mean, median and mode using example.
3 Marks
(b)
Define Decile using example.
4 Marks
(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
7 Marks
OR OPTION
(c)
Draw and explain box plot for following data. 11 14 17 18 19 21 23 24 25 27 90 140
7 Marks
Question 3
(a)
Explain chebyshev theorem with example.
3 Marks
(b)
Define skewness and kurtosis.
4 Marks
(c)
Explain various components of bayes theorem.
7 Marks
OR OPTION
(a)
Define degree of freedom with example.
3 Marks
(b)
What is probability mass function ? Define pdf and cdf for continuous random variable.
4 Marks
(c)
What is Bionomial distribution? Define cdf,mean and variance of Bionomial distribution.
7 Marks
Question 4
(a)
What is normal distribution and standard normal distribution.
3 Marks
(b)
Explain chi square distribution.
4 Marks
(c)
What is sampling distribution and sampling mean.
7 Marks
OR OPTION
(a)
Explain random sampling.
3 Marks
(b)
Differentiate stratified and cluster sampling.
4 Marks
(c)
Explain CLT( Central limit theorem).
7 Marks
Question 5
(a)
What is dependent and independent variable.
3 Marks
(b)
What is difference between correlation and regression.
4 Marks
(c)
What is linear regression? Explain with example.
7 Marks
OR OPTION
(a)
Explain random forest.
3 Marks
(b)
Explain logistic regression using example.
4 Marks
(c)
Explian decision tree construction.
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 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.