Download Python Institute : PCAD-31-02 Questions & Answers as PDF & Test Software
Updated: Jun 04, 2026
No. of Questions: 146 Questions & Answers with Testing Engine
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Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions:
1. What is the purpose of using df.loc[2:5, 'column1'] in a Pandas DataFrame?
A) Returns a new DataFrame excluding 'column1'
B) Returns rows 2 through 5 in 'column1'
C) Returns rows 2 to 4 in 'column1'
D) Returns the entire DataFrame
2. Which Python control structures are commonly used for data filtering and iterative operations in real-world analytics tasks?
(Choose two)
A) decorators
B) list comprehensions
C) while loops
D) match-case statements
3. What is the primary goal of pre-processing data before performing analysis?
A) To compress datasets for storage efficiency
B) To obscure sensitive information
C) To minimize the number of data points
D) To ensure the data is clean, consistent, and suitable for modeling
4. Which type of chart is most appropriate when comparing the distribution of a numerical variable across multiple categories?
A) Scatter plot
B) Line chart
C) Pie chart
D) Box plot
5. What is a key advantage of using the Parquet file format over CSV in large-scale data pipelines?
A) Parquet supports schema evolution and columnar storage
B) Parquet offers row-based compression
C) Parquet stores data in plain text, making it human-readable
D) Parquet files can only be used with Excel
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: B,C | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: A |
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