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Last Updated: Oct 07, 2026
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Python Institute PCAD-31-02 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Data Acquisition and Pre-Processing | 29.2% | |
| Statistical Methods and Modeling | ||
| SQL and Data Management | ||
| Exploratory Data Analysis | ||
| Data Visualization and Communication |
Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions:
What is the primary purpose of using a requirements.txt file in Python-based data projects?
- A. To automatically compress source code for deployment
- B. To list the packages and versions required for consistent environment setup
- C. To track script runtime dependencies during execution
- D. To store the current working directory of Python modules
Correct Answer: B 🗳️
What may occur if a model is evaluated using the same data it was trained on?
- A. Overfitting
- B. Underfitting
- C. Data leakage
- D. Overgeneralization
Correct Answer: A 🗳️
Which method is typically used in Pandas to check if a column contains only values within an expected range?
- A. df.clip()
- B. df.sample()
- C. df.isin()
- D. df.sort_values()
Correct Answer: C 🗳️
When working with relational databases in Python, what are key components required to establish and manage database connections?
(Choose all that apply)
- A. Connection object to interface with the database
- B. Cursor object for executing queries
- C. Database driver or module (e.g., sqlite3)
- D. Python's random module for generating keys
Correct Answer: A,C 🗳️
When analyzing a sales dataset using Pandas, which of the following techniques help extract key insights by grouping and summarizing the data?
(Choose two)
- A. Using rename() to change column headers
- B. Using groupby() to compute total sales per region
- C. Applying agg() to calculate multiple metrics like mean and max
- D. Using fillna() to replace missing product prices
Correct Answer: B,C 🗳️
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