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Python Institute PCAD-31-02 Exam Syllabus Topics:

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

1. When performing bootstrapping on a dataset with 500 observations, what is a typical procedure?

A) Drawing one sample and calculating the mean only once
B) Scaling all values between 0 and 1 before resampling
C) Generating multiple datasets of the same size by randomly sampling with replacement
D) Creating samples by removing all duplicates

2. 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 configures multiple plots in a grid layout within a single figure
C) It links Matplotlib with Seaborn's grid styling
D) It creates a 3D surface plot using pandas

3. Which data collection method is most appropriate when gathering opinions from a target audience at scale?

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

4. What is the main advantage of using Seaborn over Matplotlib when creating complex statistical visualizations in Python?

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

5. What is the correct sequence to connect to a database and execute a query using the sqlite3 module in Python?

A) Connect → Execute → Commit → Close
B) Execute → Connect → Commit → Close
C) Commit → Connect → Execute → Close
D) Connect → Commit → Execute → Close

Solutions: