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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. Which method is appropriate for combining two DataFrames based on a shared key column where non-matching rows should be excluded from the result?

A) merge(..., how='inner')
B) append()
C) concat()
D) join(..., how='outer')

2. Which operations are valid and commonly used on Python lists during data transformation tasks?
(Choose two)

A) Index-based iteration
B) Key-value mapping
C) Slicing
D) Append

3. Which features of object-oriented patterns improve clarity and reusability in Python analysis workflows?
(Choose all that apply)

A) Applying inheritance to avoid redundant code
B) Using global variables instead of object properties
C) Encapsulating behavior in class methods
D) Replacing all functions with lambda expressions

4. Which of the following are true characteristics of bootstrapping in statistics?
(Choose two)

A) It requires a large population sample
B) It assumes a normal distribution
C) It uses random sampling with replacement
D) It enables confidence interval estimation

5. Which of the following practices improves clarity when combining visualizations and textual explanations in a report?

A) Repeat all numerical data in both the chart and text
B) Include concise textual summaries that highlight the chart's message
C) Avoid summarizing the data verbally
D) Use visualizations alone without titles or captions

Solutions: