Quiz Valid Python Institute - PCAD-31-02 - Test Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Voucher

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Python Institute PCAD-31-02 Exam Syllabus Topics:

Section	Weight	Objectives
Data Acquisition and Pre-Processing	29.2%
SQL and Data Management
Exploratory Data Analysis
Statistical Methods and Modeling
Data Visualization and Communication

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Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions (Q13-Q18):

NEW QUESTION # 13
Which data collection method is most appropriate when gathering opinions from a target audience at scale?

A. Transactional data
B. Sensor logs
C. Web scraping
D. Surveys

Answer: D

NEW QUESTION # 14
What is the main reason for using try-except blocks in a data analysis script that reads multiple files?

A. To enforce strict type annotations
B. To ensure functions always return None
C. To gracefully handle runtime errors without crashing the program
D. To automatically restart the script after execution

Answer: C

NEW QUESTION # 15
Which file formats are commonly used for hierarchical or nested data structures in data acquisition?
(Choose two)

A. CSV
B. TSV
C. JSON
D. XML

Answer: C,D

NEW QUESTION # 16
What is the main advantage of using Seaborn over Matplotlib when creating complex statistical visualizations in Python?

A. Seaborn works exclusively with NumPy arrays
B. Seaborn automatically saves plots as image files
C. Seaborn requires no data preprocessing for missing values
D. Seaborn provides high-level abstractions for attractive and informative graphics

Answer: D

NEW QUESTION # 17
What is the correct SQL statement to permanently remove a table named customers from a database?

A. DELETE TABLE customers;
B. REMOVE TABLE customers;
C. TRUNCATE TABLE customers;
D. DROP TABLE customers;

Answer: D

NEW QUESTION # 18
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