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Python Institute PCAD-31-02 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Exploratory Data Analysis
Topic 2: Data Acquisition and Pre-Processing	29.2%
Topic 3: Data Visualization and Communication
Topic 4: SQL and Data Management
Topic 5: Statistical Methods and Modeling

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Python Institute Certified Associate Data Analyst with Python (PCAD-31-02) Sample Questions (Q68-Q73):

NEW QUESTION # 68
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. join(..., how='outer')
D. concat()

Answer: A

NEW QUESTION # 69
Which operations are valid and commonly used on Python lists during data transformation tasks?
(Choose two)

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

Answer: A,B

NEW QUESTION # 70
Which function is used to reshape a NumPy array without modifying the original data values?

A. transpose()
B. resize()
C. flatten()
D. reshape()

Answer: D

NEW QUESTION # 71
Which practices are considered part of professional Python scripting standards?
(Choose two)

A. Avoiding error handling to keep code clean
B. Avoiding use of modules and libraries
C. Using consistent indentation and naming conventions
D. Including in-line comments and docstrings

Answer: C,D

NEW QUESTION # 72
Which command should a data analyst use to install the pandas library in a Python environment using the Python Package Index?

A. python install pandas
B. pip install pandas
C. install pip pandas
D. python get pandas

Answer: B

NEW QUESTION # 73
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