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

1. Which SQL clause is most appropriate when you need to filter records that meet a specific condition during data retrieval in an analytics pipeline?

A) ORDER BY
B) HAVING
C) GROUP BY
D) WHERE

2. Which Pandas methods are commonly used to extract central tendency and dispersion insights from a DataFrame?
(Choose two)

A) sort_values()
B) var()
C) median()
D) pivot_table()

3. Which techniques are most effective when designing reusable and testable functions in Python?
(Choose two)

A) Creating large monolithic functions
B) Avoiding external state or side effects
C) Use of default parameters
D) Returning print statements instead of values

4. Which method is typically used in Pandas to check if a column contains only values within an expected range?

A) df.sample()
B) df.isin()
C) df.sort_values()
D) df.clip()

5. What is the main reason to remove duplicate records before performing analysis?

A) It avoids converting data to JSON format
B) It reduces redundancy that can skew statistical metrics
C) It ensures training data is intentionally overfitted
D) It helps increase sample size

Solutions: