Learn with Python Institute : PCAD-31-02 training material for 100% pass
Updated: Jun 05, 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 main purpose of using the bootstrapping technique in inferential statistics?
A) To increase the number of features in a model
B) To estimate the sampling distribution by resampling with replacement
C) To validate the syntax of SQL queries in Python
D) To filter outliers from a dataset
2. What is the main reason for using try-except blocks in a data analysis script that reads multiple files?
A) To automatically restart the script after execution
B) To ensure functions always return None
C) To enforce strict type annotations
D) To gracefully handle runtime errors without crashing the program
3. When fetching DATETIME values from a SQL database into Python, which Python data type is most appropriate for storing and manipulating these values?
A) float
B) str
C) datetime.datetime
D) time.struct_time
4. What is a best practice when organizing data in a spreadsheet for analysis?
A) Use consistent column headers across all sheets
B) Merge cells to reduce redundancy
C) Apply conditional formatting to entire rows only
D) Place charts in the middle of data tables
5. Which of the following best describes the purpose of the plt.subplot() function in Matplotlib?
A) It overlays multiple plots in the same figure without axes
B) It links Matplotlib with Seaborn's grid styling
C) It creates a 3D surface plot using pandas
D) It configures multiple plots in a grid layout within a single figure
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: A | Question # 5 Answer: D |
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