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Gujarat Technological UniversitySummer 2023 Examination

GTU 3150713 Python for Data Science Summer 2023 Paper Solution & PDF

B.E. · Computer Engineering · Semester 5 · Subject Code: 3150713
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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
Jump toQ1Q2Q3Q4Q5

Question 1

14 MarksMedium
(a)

Write a single line code to get the value of "type" from the given dictionary in such a way that it does not produce any error or exception even if any key from the dictionary is misspelled. e.g. batters is misspelled as bateers. Still, your code must traverse the dictionary and fetch the value “Regular” of the key “type”. { "batters": { "batter": [ { "batter": [ { "batter": [{ "type": "Regular" }] }] }] } }

3 Marks
(b)
What is chi-square test? why it is necessary in data analysis?
4 Marks
(c)
Explain following string functions with suitable example.

len, count, title, lower, upper, find, rfine, replace

7 Marks

Question 2

14 MarksMedium
(a)

List and explain the reasons which make python programming popular in Data Science.

3 Marks
(b)
Differentiate: Dictionary and List
4 Marks
(c)

What do you mean by Exploratory Data Analysis? List and explain the task which needs to be performed in EDA.

7 Marks
OR OPTION
(c)
Define Standardization. Explain Z-score standardization with suitable example.
7 Marks

Question 3

14 MarksMedium
(a)
Depict steps to create a scatter plot with example.
3 Marks
(b)
Establish relationship between AI, data science and big data.
4 Marks
(c)
Provide explanations on the importance of Graphs in Data Science.
7 Marks
OR OPTION
(a)
Define correlation and explain its importance in Data Science.
3 Marks
(b)
Provide duties performed by a Data Scientist with suitable example
4 Marks
(c)
Elaborate Graphs along with its types.
7 Marks

Question 4

14 MarksMedium
(a)
Differentiate: Bar graph vs. Histogram
3 Marks
(b)
Explain Training and Testing with suitable example.
4 Marks
(c)
Elaborate a bag of word concept in detail.
7 Marks
OR OPTION
(a)
Why data visualization is important in Data Science?
3 Marks
(b)
Explain HTML parsing using Beautiful soup.
4 Marks
(c)
Explain stemming in detail with relatable example.
7 Marks

Question 5

14 MarksMedium
(a)
Provide your views on Data wrangling with suitable example.
3 Marks
(b)
Define covariance and explain its importance with appropriate example.
4 Marks
(c)
Elaborate XPath in detail with relatable example.
7 Marks
OR OPTION
(a)
Explain Hashing Tricks and its importance with suitable example.
3 Marks
(b)
Explain importance of Legends, Labels and Annotations in Graphs.
4 Marks
(c)
Describe sampling along with its types in detail with suitable example.
7 Marks
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About this Examination Paper & Attribution

Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Python for Data Science (Summer 2023, B.E. · Computer 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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